Pith Number

pith:CX57F464

pith:2018:CX57F464O2ERWGQEKFIOV2GWME

not attested not anchored not stored refs pending

How many labeled license plates are needed?

Changhao Wu, Guocong Song, Shugong Xu, Shunqing Zhang

arxiv:1808.08410 v1 · 2018-08-25 · 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{CX57F464O2ERWGQEKFIOV2GWME}

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	2026-05-18T00:07:16.572981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15fbf2f3dc76891b1a045150eae8d66107b15dcffb81383d222bd4296c5d5bb9

Aliases

arxiv: 1808.08410 · arxiv_version: 1808.08410v1 · doi: 10.48550/arxiv.1808.08410 · pith_short_12: CX57F464O2ER · pith_short_16: CX57F464O2ERWGQE · pith_short_8: CX57F464

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/CX57F464O2ERWGQEKFIOV2GWME \
  | 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: 15fbf2f3dc76891b1a045150eae8d66107b15dcffb81383d222bd4296c5d5bb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e8a3e246220097a4ccc5b72c6227ac3fec6807859bdf271f26c66396369d7d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-08-25T11:11:42Z",
    "title_canon_sha256": "93b3d173626ed11614bb685aa8ccd9f7b76d83178454d66a46aeb41e05542dec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08410",
    "kind": "arxiv",
    "version": 1
  }
}