Pith Number

pith:CYV25TQU

pith:2025:CYV25TQUVTXX7ZHGOYDQJODNWY

not attested not anchored not stored refs pending

Fast In-Spectrum Graph Watermarks

Anne-Marie Kermarrec, Erwan Le Merrer, Jade Garcia Bourr\'ee, Othmane Safsafi

arxiv:2502.04182 v2 · 2025-02-06 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CYV25TQUVTXX7ZHGOYDQJODNWY}

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	2026-07-05T11:48:00.455786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

162baece14acef7fe4e6760704b86db62f6c8cf1cf6c1b577b9ea979c37077cf

Aliases

arxiv: 2502.04182 · arxiv_version: 2502.04182v2 · doi: 10.48550/arxiv.2502.04182 · pith_short_12: CYV25TQUVTXX · pith_short_16: CYV25TQUVTXX7ZHG · pith_short_8: CYV25TQU

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/CYV25TQUVTXX7ZHGOYDQJODNWY \
  | 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: 162baece14acef7fe4e6760704b86db62f6c8cf1cf6c1b577b9ea979c37077cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad6ad5259a4ac116327222f19aa3be4961ef24f83990b0c616c9a32c37dda9f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2025-02-06T16:14:00Z",
    "title_canon_sha256": "883d0522c442b400fbfaed4f1047ca91f84694c481092d7dcb9dc001dddf906b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.04182",
    "kind": "arxiv",
    "version": 2
  }
}