Pith Number

pith:XSNQAR4F

pith:2019:XSNQAR4FO2XXNZOLXP457UQX4D

not attested not anchored not stored refs pending

A fast point-pattern matching algorithm based on statistical method

Jian-Cheng Wang, Jie Su, Xiang-Ming Cheng, Yi-Gong Zhang, Zhen-Jun Zhang

arxiv:1903.09423 v1 · 2019-03-22 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XSNQAR4FO2XXNZOLXP457UQX4D}

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	2026-05-17T23:50:39.677029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc9b00478576af76e5cbbbf9dfd217e0dc2c3a1b863be5bb5744b207bed73af1

Aliases

arxiv: 1903.09423 · arxiv_version: 1903.09423v1 · doi: 10.48550/arxiv.1903.09423 · pith_short_12: XSNQAR4FO2XX · pith_short_16: XSNQAR4FO2XXNZOL · pith_short_8: XSNQAR4F

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/XSNQAR4FO2XXNZOLXP457UQX4D \
  | 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: bc9b00478576af76e5cbbbf9dfd217e0dc2c3a1b863be5bb5744b207bed73af1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b59c77c65ed37078692b6f884a46548c552bd7592d39b2f07ca15250ec1c2df1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-03-22T09:53:18Z",
    "title_canon_sha256": "eaf923be5264025bc10465151c5c2b86d027e53b03c699ac97db2049f8cb60c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09423",
    "kind": "arxiv",
    "version": 1
  }
}