Pith Number

pith:2OW2TZQG

pith:2019:2OW2TZQGQH25BMWUW3OU524ZGP

not attested not anchored not stored refs pending

Differential Imaging Forensics

Aur\'elien Bourquard, Jeff Yan

arxiv:1906.05268 v1 · 2019-06-12 · cs.CR · cs.CV · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2OW2TZQGQH25BMWUW3OU524ZGP}

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	2026-05-17T23:43:28.980386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3ada9e60681f5d0b2d4b6dd4eeb9933f2f0239d574fe5f84afd0a3e0118fc77

Aliases

arxiv: 1906.05268 · arxiv_version: 1906.05268v1 · doi: 10.48550/arxiv.1906.05268 · pith_short_12: 2OW2TZQGQH25 · pith_short_16: 2OW2TZQGQH25BMWU · pith_short_8: 2OW2TZQG

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/2OW2TZQGQH25BMWUW3OU524ZGP \
  | 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: d3ada9e60681f5d0b2d4b6dd4eeb9933f2f0239d574fe5f84afd0a3e0118fc77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c16c8f21b4bcfe40c2647e310f3737dd114b14a8189f2d70985f90e5470155a",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.MM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-06-12T17:48:47Z",
    "title_canon_sha256": "d1e06453e7d088674add1bf081e2f77c0cdcad4010cd64287d11f776a9bc6a18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.05268",
    "kind": "arxiv",
    "version": 1
  }
}