Pith Number

pith:I6SJZOU3

pith:2012:I6SJZOU3K37V6Q7YEYRJF6MJVF

not attested not anchored not stored refs pending

Extraction of Facial Feature Points Using Cumulative Histogram

Mohammad Shorif Uddin, Saida Bouakaz, Sushil Kumar Paul

arxiv:1203.3270 v1 · 2012-03-15 · 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{I6SJZOU3K37V6Q7YEYRJF6MJVF}

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	2026-05-18T04:00:02.308597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47a49cba9b56ff5f43f8262292f989a977ea4baa405534181426fe16221d1f58

Aliases

arxiv: 1203.3270 · arxiv_version: 1203.3270v1 · doi: 10.48550/arxiv.1203.3270 · pith_short_12: I6SJZOU3K37V · pith_short_16: I6SJZOU3K37V6Q7Y · pith_short_8: I6SJZOU3

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/I6SJZOU3K37V6Q7YEYRJF6MJVF \
  | 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: 47a49cba9b56ff5f43f8262292f989a977ea4baa405534181426fe16221d1f58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "747d242cacbc8d9f4bd6468f40894c09a105bedfa83b5d98b651c44b4f713e19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2012-03-15T05:20:27Z",
    "title_canon_sha256": "6944ede4f71f282221597ad48bd112e8b9097f042425f1d4597e424fd83c911d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3270",
    "kind": "arxiv",
    "version": 1
  }
}