Pith Number

pith:O7UP6EYS

pith:2026:O7UP6EYSMTIVPQKXZ7JREIZ4IF

not attested not anchored not stored refs pending

Automated High-Precision Extraction and Forensic Verification of Data-Bearing Vector Figures

Bowen Sun, Chaowei Xiao

arxiv:2606.31345 v1 · 2026-06-30 · cs.CR · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O7UP6EYSMTIVPQKXZ7JREIZ4IF}

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	2026-07-01T01:17:59.967101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77e8ff131264d157c157cfd312233c416e14661280ec1e9aec890307c8566545

Aliases

arxiv: 2606.31345 · arxiv_version: 2606.31345v1 · doi: 10.48550/arxiv.2606.31345 · pith_short_12: O7UP6EYSMTIV · pith_short_16: O7UP6EYSMTIVPQKX · pith_short_8: O7UP6EYS

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/O7UP6EYSMTIVPQKXZ7JREIZ4IF \
  | 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: 77e8ff131264d157c157cfd312233c416e14661280ec1e9aec890307c8566545

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d901491644f576e2603616c5939f0db0605f64bb1e43cd3250bd7b61ff19a40",
    "cross_cats_sorted": [
      "cs.DL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-06-30T08:43:32Z",
    "title_canon_sha256": "c6afc1174e1acb8ca1a729d88bfcdcb8017ee461efc572cbf6a5fd32fbb0dc41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31345",
    "kind": "arxiv",
    "version": 1
  }
}