Pith Number

pith:C66GKGAR

pith:2019:C66GKGARJTGQN7P55BRCBDV7FX

not attested not anchored not stored refs pending

Fingerprint Spoof Detection: Temporal Analysis of Image Sequence

Anil K. Jain, Tarang Chugh

arxiv:1912.08240 v1 · 2019-12-17 · 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{C66GKGARJTGQN7P55BRCBDV7FX}

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	2026-07-05T00:27:00.816852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17bc6518114ccd06fdfde862208ebf2def04e2e6ffade8aff7eff916f005b315

Aliases

arxiv: 1912.08240 · arxiv_version: 1912.08240v1 · doi: 10.48550/arxiv.1912.08240 · pith_short_12: C66GKGARJTGQ · pith_short_16: C66GKGARJTGQN7P5 · pith_short_8: C66GKGAR

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/C66GKGARJTGQN7P55BRCBDV7FX \
  | 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: 17bc6518114ccd06fdfde862208ebf2def04e2e6ffade8aff7eff916f005b315

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d98cd0bd88d9a904cb1bb26db37e656aaf6d454d1f3e79571756d0c306b5363",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-12-17T19:23:21Z",
    "title_canon_sha256": "b57ddff984044cb10cd3f289631f197b1fed32cb59850b01148127200f2f9591"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.08240",
    "kind": "arxiv",
    "version": 1
  }
}