Pith Number

pith:QTEASMID

pith:2026:QTEASMIDYRBJQ5JIYA7WWWJ77T

not attested not anchored not stored refs pending

Echoes within the Reasoning: Stealthy and Effective Watermarking via Chain of Thought

Haibing Guan, Jiacheng Lu, Jiaheng Zhang, Tao Song, Weijian Wang, Wenjie Qu, Yiming Li

arxiv:2605.28890 v1 · 2026-05-27 · cs.CR · 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{QTEASMIDYRBJQ5JIYA7WWWJ77T}

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	2026-05-29T00:04:15.557696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84c8093103c442987528c03f6b593ffcdc9bc12df8fa7a7ae0565fad9752b9bc

Aliases

arxiv: 2605.28890 · arxiv_version: 2605.28890v1 · doi: 10.48550/arxiv.2605.28890 · pith_short_12: QTEASMIDYRBJ · pith_short_16: QTEASMIDYRBJQ5JI · pith_short_8: QTEASMID

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/QTEASMIDYRBJQ5JIYA7WWWJ77T \
  | 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: 84c8093103c442987528c03f6b593ffcdc9bc12df8fa7a7ae0565fad9752b9bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7988bbe3a05bd4e9f02c4de4afa4fa1cc1876b711662b6606137c8a21c484533",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-05-27T07:44:38Z",
    "title_canon_sha256": "b99ecee0aff8359fba8d0a776d480f179d0a604779e92af07d6359c6dc57408d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28890",
    "kind": "arxiv",
    "version": 1
  }
}