Pith Number

pith:PVXH7UBM

pith:2009:PVXH7UBMEYAFNSEEBN7JKSCXII

not attested not anchored not stored refs pending

Making Hand Geometry Verification System More Accurate Using Time Series Representation with R-K Band Learning

Chotirat Ann Ratanamahatana, Vit Niennattrakul

arxiv:0905.1385 v1 · 2009-05-09 · 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{PVXH7UBMEYAFNSEEBN7JKSCXII}

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	2026-07-04T15:42:21.051548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d6e7fd02c260056c8840b7e954857421bd34cd76c0ccdea333d0a3448f60948

Aliases

arxiv: 0905.1385 · arxiv_version: 0905.1385v1 · doi: 10.48550/arxiv.0905.1385 · pith_short_12: PVXH7UBMEYAF · pith_short_16: PVXH7UBMEYAFNSEE · pith_short_8: PVXH7UBM

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/PVXH7UBMEYAFNSEEBN7JKSCXII \
  | 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: 7d6e7fd02c260056c8840b7e954857421bd34cd76c0ccdea333d0a3448f60948

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6347e6481e134e450b80cb8fda5ba1b3a9d2afda85e610a88cbe2294b1cf74e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2009-05-09T17:31:37Z",
    "title_canon_sha256": "230cba00615590e018623002f8b50da682043bdda1e2498d4d728ece9e7304f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.1385",
    "kind": "arxiv",
    "version": 1
  }
}