Pith Number

pith:IYSKAREF

pith:2022:IYSKAREFIKW7VL5YEYNLW7E5NB

not attested not anchored not stored refs pending

Finger-NestNet: Interpretable Fingerphoto Verification on Smartphone using Deep Nested Residual Network

Hailin Li, Raghavendra Ramachandra

arxiv:2212.05884 v1 · 2022-12-09 · cs.CV · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IYSKAREFIKW7VL5YEYNLW7E5NB}

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	2026-07-05T05:24:20.545476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4624a0448542adfaafb8261abb7c9d684c8d9ed61e01651550f6edb7c1ac5d0a

Aliases

arxiv: 2212.05884 · arxiv_version: 2212.05884v1 · doi: 10.48550/arxiv.2212.05884 · pith_short_12: IYSKAREFIKW7 · pith_short_16: IYSKAREFIKW7VL5Y · pith_short_8: IYSKAREF

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/IYSKAREFIKW7VL5YEYNLW7E5NB \
  | 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: 4624a0448542adfaafb8261abb7c9d684c8d9ed61e01651550f6edb7c1ac5d0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ed2f87ef315753e980cbecd1f5a20d7d7a3cc1941f6db56f3f9cad47460a36b",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-12-09T17:15:35Z",
    "title_canon_sha256": "0aa39960862919949be3ccf6529ebd2d71d0de4bf861e0ee0b0c2bbb575d3737"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.05884",
    "kind": "arxiv",
    "version": 1
  }
}