Pith Number

pith:3SZWHFW6

pith:2014:3SZWHFW6HW5CAJPT5REENIXSUD

not attested not anchored not stored refs pending

An Overview of Face Liveness Detection

Dhrubajyoti Das, Saptarshi Chakraborty

arxiv:1405.2227 v1 · 2014-05-09 · 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{3SZWHFW6HW5CAJPT5REENIXSUD}

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	2026-05-18T02:52:13.336862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcb36396de3dba2025f3ec4846a2f2a0f2a22824da972b8b098cff63e01671ac

Aliases

arxiv: 1405.2227 · arxiv_version: 1405.2227v1 · doi: 10.48550/arxiv.1405.2227 · pith_short_12: 3SZWHFW6HW5C · pith_short_16: 3SZWHFW6HW5CAJPT · pith_short_8: 3SZWHFW6

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/3SZWHFW6HW5CAJPT5REENIXSUD \
  | 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: dcb36396de3dba2025f3ec4846a2f2a0f2a22824da972b8b098cff63e01671ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "039814a942958394a12bc8ee7a49da57b2bb8533d1fa38e2b2273018d2ac470d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2014-05-09T13:47:09Z",
    "title_canon_sha256": "a95fff159f0c675bbaca871f4ab51f8bd7e5b60e9cf81a565d00e939bcbe47fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2227",
    "kind": "arxiv",
    "version": 1
  }
}