Pith Number

pith:EMXY4A4J

pith:2026:EMXY4A4JSREDDX6PQIQMVK4VAD

not attested not anchored not stored refs pending

Do Modern Post-Hoc Watermarking Methods Beat Broken-Arrows?

Enoal Gesny, Eva Giboulot

arxiv:2605.27135 v1 · 2026-05-26 · cs.CR · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EMXY4A4JSREDDX6PQIQMVK4VAD}

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	2026-05-27T02:05:43.665678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

232f8e0389944831dfcf8220caab9500c8fc4d0cc29bde3a2cdd3ff138d81088

Aliases

arxiv: 2605.27135 · arxiv_version: 2605.27135v1 · doi: 10.48550/arxiv.2605.27135 · pith_short_12: EMXY4A4JSRED · pith_short_16: EMXY4A4JSREDDX6P · pith_short_8: EMXY4A4J

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/EMXY4A4JSREDDX6PQIQMVK4VAD \
  | 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: 232f8e0389944831dfcf8220caab9500c8fc4d0cc29bde3a2cdd3ff138d81088

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf027f88cca403b1a0383150c9cdf692c0372289af205cba3262d75c62330a38",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-05-26T15:04:46Z",
    "title_canon_sha256": "dda2a38af6b98219480ae2cf05704f218615935e1e4071ead1cfc96adcfb8765"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.27135",
    "kind": "arxiv",
    "version": 1
  }
}