Pith Number

pith:N3FESD44

pith:2022:N3FESD445MCSUL26OQE6K2LGSQ

not attested not anchored not stored refs pending

How to Do It Right: A Framework for Biometrics Supported Border Control

Anne Hilde Nymoen, Marina Shalaginova, Mohamed Abomhara, Ogerta Elezaj, Sule Yildirim Yayilgan, Zoltan Szekely

arxiv:2201.03407 v1 · 2022-01-10 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N3FESD445MCSUL26OQE6K2LGSQ}

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	2026-07-05T03:47:09.413439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6eca490f9ceb052a2f5e7409e5696694101b66a593378f776ba6083fd0e976aa

Aliases

arxiv: 2201.03407 · arxiv_version: 2201.03407v1 · doi: 10.48550/arxiv.2201.03407 · pith_short_12: N3FESD445MCS · pith_short_16: N3FESD445MCSUL26 · pith_short_8: N3FESD44

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/N3FESD445MCSUL26OQE6K2LGSQ \
  | 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: 6eca490f9ceb052a2f5e7409e5696694101b66a593378f776ba6083fd0e976aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23cbcaea87e03b73187b85484c383ac88b8d065aeeefc541075e680b755e76b7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2022-01-10T15:42:10Z",
    "title_canon_sha256": "82eb585832cf2857fcab8a6932e080f3f409eceb97f22a1b4c69ad5dd34c5bd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.03407",
    "kind": "arxiv",
    "version": 1
  }
}