Pith Number

pith:VBR6CZUU

pith:2015:VBR6CZUUQ6DUJ6JWUWVWDKXUAS

not attested not anchored not stored refs pending

Where Is My Puppy? Retrieving Lost Dogs by Facial Features

Eduardo Valle, Mauricio Lisboa Perez, Rafael de Oliveira Werneck, Thierry Pinheiro Moreira

arxiv:1510.02781 v2 · 2015-10-09 · 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{VBR6CZUUQ6DUJ6JWUWVWDKXUAS}

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	2026-05-18T01:10:11.501467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a863e16694878744f936a5ab61aaf40492054561895afcfb20476bc4808d8719

Aliases

arxiv: 1510.02781 · arxiv_version: 1510.02781v2 · doi: 10.48550/arxiv.1510.02781 · pith_short_12: VBR6CZUUQ6DU · pith_short_16: VBR6CZUUQ6DUJ6JW · pith_short_8: VBR6CZUU

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/VBR6CZUUQ6DUJ6JWUWVWDKXUAS \
  | 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: a863e16694878744f936a5ab61aaf40492054561895afcfb20476bc4808d8719

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f63edd62e47ae53181a9c6f0833040c2198cfeea13cae66cbd81f52357e9d98b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-10-09T19:39:15Z",
    "title_canon_sha256": "c0114b089128e7d80ffee33fd4e9e217579fbd360c8ff077e4b08ded18fc3770"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.02781",
    "kind": "arxiv",
    "version": 2
  }
}