Pith Number

pith:QJCP67CU

pith:2019:QJCP67CUVB2PEE33MHYUUOWRQH

not attested not anchored not stored refs pending

ThirdEye: Triplet Based Iris Recognition without Normalization

Benjamin Fuller, Sohaib Ahmad

arxiv:1907.06147 v1 · 2019-07-13 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QJCP67CUVB2PEE33MHYUUOWRQH}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:40:38.384858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8244ff7c54a874f2137b61f14a3ad181e443082ac6bacde5d4c7e3b10e9febd9

Aliases

arxiv: 1907.06147 · arxiv_version: 1907.06147v1 · doi: 10.48550/arxiv.1907.06147 · pith_short_12: QJCP67CUVB2P · pith_short_16: QJCP67CUVB2PEE33 · pith_short_8: QJCP67CU

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/QJCP67CUVB2PEE33MHYUUOWRQH \
  | 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: 8244ff7c54a874f2137b61f14a3ad181e443082ac6bacde5d4c7e3b10e9febd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13dafffd2e2c7fe33a673b66b4d3f9c864f0190a819d4e4758d0744c51b5b243",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-07-13T23:27:24Z",
    "title_canon_sha256": "dc46dc3184be2ff2cc8a48eb8786b23d0e7501ec63163a99872d4d1bb4e9b045"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.06147",
    "kind": "arxiv",
    "version": 1
  }
}