Pith Number

pith:HZPPQPOR

pith:2018:HZPPQPORUPMH3OSLPMUWYXPYK7

not attested not anchored not stored refs pending

MobiBits: Multimodal Mobile Biometric Database

Ewelina Bartuzi, Katarzyna Roszczewska, Mateusz Trokielewicz, Rados{\l}aw Bia{\l}obrzeski

arxiv:1808.10710 v1 · 2018-08-31 · 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{HZPPQPORUPMH3OSLPMUWYXPYK7}

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	2026-05-18T00:06:45.032758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e5ef83dd1a3d87dba4b7b296c5df857c5c04e73b9aa9d3992828f575dfa3c06

Aliases

arxiv: 1808.10710 · arxiv_version: 1808.10710v1 · doi: 10.48550/arxiv.1808.10710 · pith_short_12: HZPPQPORUPMH · pith_short_16: HZPPQPORUPMH3OSL · pith_short_8: HZPPQPOR

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/HZPPQPORUPMH3OSLPMUWYXPYK7 \
  | 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: 3e5ef83dd1a3d87dba4b7b296c5df857c5c04e73b9aa9d3992828f575dfa3c06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7b37990e635a42084052be2846febe642c46d48f72cada4c973415670efd75f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-08-31T12:38:09Z",
    "title_canon_sha256": "6d6075488f6bd5da5592e41a67ffc41be73b9a3b3ea9eae61366faa68cab5f1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.10710",
    "kind": "arxiv",
    "version": 1
  }
}