Pith Number

pith:QXLYZ66S

pith:2026:QXLYZ66SPH2WL664PDWMBG6ORL

not attested not anchored not stored refs pending

Trustworthy Image Authentication using Forensic Knowledge Graphs

Matthew C. Stamm, Tai D. Nguyen

arxiv:2606.23917 v1 · 2026-06-22 · 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{QXLYZ66SPH2WL664PDWMBG6ORL}

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	2026-06-24T00:14:30.132148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85d78cfbd279f565fbdc78ecc09bce8ae91aba0651b445f0e3ede165e7d3ddc9

Aliases

arxiv: 2606.23917 · arxiv_version: 2606.23917v1 · doi: 10.48550/arxiv.2606.23917 · pith_short_12: QXLYZ66SPH2W · pith_short_16: QXLYZ66SPH2WL664 · pith_short_8: QXLYZ66S

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/QXLYZ66SPH2WL664PDWMBG6ORL \
  | 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: 85d78cfbd279f565fbdc78ecc09bce8ae91aba0651b445f0e3ede165e7d3ddc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75a27e22c4d5c5d721d4d8393076d37f558fe915dd51f5e102ac0b7fb974ea1c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-06-22T20:29:21Z",
    "title_canon_sha256": "cd75bbf58c4ce60733f48ca4df21be3515f14067cce164c008654c8cc339ecac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.23917",
    "kind": "arxiv",
    "version": 1
  }
}