Pith Number

pith:PWMHEGTU

pith:2026:PWMHEGTUBP4FRAP7JJCWL3ZABI

not attested not anchored not stored refs pending

Self-Training Doesn't Flatten Language -- It Restructures It: Surface Markers Amplify While Deep Syntax Dies

Ming Liu

arxiv:2605.20602 v1 · 2026-05-20 · cs.CL · cs.AI · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PWMHEGTUBP4FRAP7JJCWL3ZABI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-21T01:04:44.117490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d98721a740bf85881ff4a4565ef200a05979dae5fbd643f0571bca49a7f77d2

Aliases

arxiv: 2605.20602 · arxiv_version: 2605.20602v1 · doi: 10.48550/arxiv.2605.20602 · pith_short_12: PWMHEGTUBP4F · pith_short_16: PWMHEGTUBP4FRAP7 · pith_short_8: PWMHEGTU

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/PWMHEGTUBP4FRAP7JJCWL3ZABI \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 7d98721a740bf85881ff4a4565ef200a05979dae5fbd643f0571bca49a7f77d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42b0487437fa7b483d7e700031afde1dd6fe1082f777a1452429c9abf4871392",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-20T01:44:47Z",
    "title_canon_sha256": "c2b92730954f699c17986f2306f189c4b470b12ee51577df062b2bbfe8917877"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20602",
    "kind": "arxiv",
    "version": 1
  }
}