Pith Number

pith:J52WR57Z

pith:2022:J52WR57ZNIP4BREKBLRDIWB4HW

not attested not anchored not stored refs pending

Globally optimal and scalable $N$-way matching of astronomy catalogs

Amitabh Basu, T\'amas Budav\'ari, Tu Nguyen

arxiv:2207.11125 v1 · 2022-07-22 · astro-ph.IM · math.OC · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J52WR57ZNIP4BREKBLRDIWB4HW}

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	2026-07-05T04:42:43.934084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f7568f7f96a1fc0c48a0ae234583c3d894a1c6291e53f71c295a3092c8f51a6

Aliases

arxiv: 2207.11125 · arxiv_version: 2207.11125v1 · doi: 10.48550/arxiv.2207.11125 · pith_short_12: J52WR57ZNIP4 · pith_short_16: J52WR57ZNIP4BREK · pith_short_8: J52WR57Z

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/J52WR57ZNIP4BREKBLRDIWB4HW \
  | 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: 4f7568f7f96a1fc0c48a0ae234583c3d894a1c6291e53f71c295a3092c8f51a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fad26af9839dabe0a564ffcfae77985fee22de9fe9a722a68e8bdd033f6c0ff",
    "cross_cats_sorted": [
      "math.OC",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2022-07-22T14:59:27Z",
    "title_canon_sha256": "87cccc003104ee6b222fabc9731e1427407622b87f8bd24e2346481913456323"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.11125",
    "kind": "arxiv",
    "version": 1
  }
}