Pith Number

pith:C7K7VOKH

pith:2018:C7K7VOKH2XGEMSE4NFFI44K2EE

not attested not anchored not stored refs pending

Beyond Pixels: Image Provenance Analysis Leveraging Metadata

Anderson Rocha, Aparna Bharati, Daniel Moreira, Joel Brogan, Kevin W. Bowyer, Patricia Hale, Patrick J. Flynn, Walter J. Scheirer

arxiv:1807.03376 v3 · 2018-07-09 · 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{C7K7VOKH2XGEMSE4NFFI44K2EE}

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	2026-05-17T23:51:54.439535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17d5fab947d5cc46489c694a8e715a2135377f410c2eb5f5b084144eb3b5fe87

Aliases

arxiv: 1807.03376 · arxiv_version: 1807.03376v3 · doi: 10.48550/arxiv.1807.03376 · pith_short_12: C7K7VOKH2XGE · pith_short_16: C7K7VOKH2XGEMSE4 · pith_short_8: C7K7VOKH

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/C7K7VOKH2XGEMSE4NFFI44K2EE \
  | 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: 17d5fab947d5cc46489c694a8e715a2135377f410c2eb5f5b084144eb3b5fe87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e7e20129972fba67c7279650ef25f9d9aa88a3b817fb82034ae08a4be8eb540",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-07-09T20:34:30Z",
    "title_canon_sha256": "78de79e629af5b90b09ba68e057a78d6b056ef7107824cd892a6aa6bdf661cd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.03376",
    "kind": "arxiv",
    "version": 3
  }
}