Pith Number

pith:5XKO545Q

pith:2019:5XKO545Q5CFX64K4D5OKRQFMMA

not attested not anchored not stored refs pending

Online Signature Verification Based on Writer Specific Feature Selection and Fuzzy Similarity Measure

Chandra Sekhar V, D.S. Guru, Prerana Mukherjee, Viswanath Pulabaigari

arxiv:1905.08574 v1 · 2019-05-21 · 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{5XKO545Q5CFX64K4D5OKRQFMMA}

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	2026-05-17T23:45:42.800008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edd4eef3b0e88b7f715c1f5ca8c0ac600f5284b2753670dc8c3d6bcc6bfd0b4e

Aliases

arxiv: 1905.08574 · arxiv_version: 1905.08574v1 · doi: 10.48550/arxiv.1905.08574 · pith_short_12: 5XKO545Q5CFX · pith_short_16: 5XKO545Q5CFX64K4 · pith_short_8: 5XKO545Q

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/5XKO545Q5CFX64K4D5OKRQFMMA \
  | 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: edd4eef3b0e88b7f715c1f5ca8c0ac600f5284b2753670dc8c3d6bcc6bfd0b4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "983ec50469b1216f678df1a2dff9abdb2ca26cab087102ecb832acd7697a4118",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-05-21T12:19:12Z",
    "title_canon_sha256": "a8303b34378f64bed59f261b68d1c786ba34b303951b11ddb3a102b18fee1e3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.08574",
    "kind": "arxiv",
    "version": 1
  }
}