docs: seal compression arc — mass number = base conversion (final branch)

Claude Code tested semantic mass number as compressor:
- M1 base-256: 1.00x (IS the data, bijection)
- M2 mixed-radix: 1.10x (drops unused symbols, not compression)
- M3 freq-weighted: 1.47x (= arithmetic coding in costume, needs model)
- xz: 3.14x (crushes all)

Base conversion is a bijection — moves information, never destroys it.
Cannot compress below its radix. The doctrine already knew: mass number
= 'admissibility / recoverability RECEIPT', not compressor.

Entire compression arc now sealed end to end:
| char-poly | receipt → GCCL integrity receipt |
| Braille/T9 | 4.167 b/B → dead |
| 16D/583x | zero-noise artifact → LPC in costume |
| weird-machine | conservation law → bits relocate, never shrink |
| mass number | base conversion → recoverability receipt |

One rule: move bits between columns, never beat K(data).
Everything that compresses = base conversion (no gain) or
arithmetic coding (needs model, ship cost = conservation wall).
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openresearch 2026-07-03 20:46:53 +00:00
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@ -68,3 +68,49 @@ Total converges to entropy floor. Nobody beats it.
| cmix | ~1.2 b/B | — | SOTA (461 models) |
| LPC | — | ~1.5x | The signal floor |
| Frozen LLM + AC | sub-xz (amortized) | — | Real, but model not scored |
## Semantic Mass Number: Base Conversion Proof (Final Branch)
### The Test
"Encode data as a semantic mass number A(H)" = represent the message
as one big number (the nuclide address / 10-adic residue reading).
### Measured Results (lossless round-trip PASS)
| Method | bits/char | bytes | ratio | lossless |
|--------|-----------|-------|-------|----------|
| M1 base-256 mass number | 8.000 | 100,000 | 1.00 | PASS |
| M2 mixed-radix (155 symbols) | 7.276 | 91,107 | 1.10 | PASS |
| M3 freq-weighted (=arithmetic) | 5.401 | 67,823 | 1.47 | needs model |
| xz -9 (order-N + matching) | 2.551 | 31,892 | 3.14 | PASS |
### Why It Fails
Base conversion is a bijection. A bijection moves information around,
never destroys it — so it cannot compress below its radix. M1 IS the
data (1.00x). M2 only beats 1.00 because the data uses 155 of 256
byte values (dropping unused-symbol slack, not compression). M3 =
arithmetic coding wearing a nuclide costume — and the model must ship
= conservation wall.
### The Doctrine Already Knew
The de-anthropocentric revision explicitly flags "English-facing
semantic compression" as the OLD ERROR and redefines:
"MassNumber is the admissibility / recoverability RECEIPT projected
from SemanticMass."
The measurement just put numbers behind the flag.
## Final Sealed Map
| Idea | As compressor | Honest home |
|------|---------------|-------------|
| char-poly | receipt, adds overhead | GCCL integrity receipt |
| Braille/T9 | 4.167 b/B, lose to xz | dead |
| 16D / 583x GW | zero-noise artifact, LPC win | LPC in costume |
| weird-machine | conservation, k=3 worst total | bits relocate, never shrink |
| semantic mass number | base conversion, 1.001.10x | recoverability receipt |
One rule: you can move bits between columns, never beat K(data).
Everything that "compresses" is either base conversion (bijection,
no gain) or arithmetic coding (needs model, ship cost). The clever
geometry buys nothing over boring xz/LPC.