Pith Number

pith:G4QSP2ET

pith:2026:G4QSP2ETRFUTM2WMZUFILGOSZC

not attested not anchored not stored refs pending

Topological summaries of fingerprint ridge patterns carry identity information

Chad M. Topaz, Elizabeth Munch, Lori Ziegelmeier, Niny Arcila-Maya, Zofia Stanley

arxiv:2606.22029 v1 · 2026-06-20 · cs.CV · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G4QSP2ETRFUTM2WMZUFILGOSZC}

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	2026-06-23T02:13:05.980339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

372127e8938969366acccd0a8599d2c8bb85ce1d8a921e85330e5e726b5912c7

Aliases

arxiv: 2606.22029 · arxiv_version: 2606.22029v1 · doi: 10.48550/arxiv.2606.22029 · pith_short_12: G4QSP2ETRFUT · pith_short_16: G4QSP2ETRFUTM2WM · pith_short_8: G4QSP2ET

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/G4QSP2ETRFUTM2WMZUFILGOSZC \
  | 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: 372127e8938969366acccd0a8599d2c8bb85ce1d8a921e85330e5e726b5912c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01c62365d69858e55831fdc97fb796f58431e359f01c11e8c23a05795b26f504",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-06-20T13:04:49Z",
    "title_canon_sha256": "16989b62c99b96e933493453472fa751f1840d771c2a1aca25f200debc7ffd1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.22029",
    "kind": "arxiv",
    "version": 1
  }
}