Pith Number

pith:PQYRXWTQ

pith:2013:PQYRXWTQ6LHHDVNHT3J7TSQD66

not attested not anchored not stored refs pending

Asteroid families classification: exploiting very large data sets

Alberto Cellino, Andrea Milani, Bojan Novakovic, Federica Spoto, Paolo Paolicchi, Zoran Knezevic

arxiv:1312.7702 v2 · 2013-12-30 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PQYRXWTQ6LHHDVNHT3J7TSQD66}

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	2026-05-18T01:45:35.193279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c311bda70f2ce71d5a79ed3f9ca03f7bc993ae6a20526e9a8386df3bce85379

Aliases

arxiv: 1312.7702 · arxiv_version: 1312.7702v2 · doi: 10.48550/arxiv.1312.7702 · pith_short_12: PQYRXWTQ6LHH · pith_short_16: PQYRXWTQ6LHHDVNH · pith_short_8: PQYRXWTQ

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/PQYRXWTQ6LHHDVNHT3J7TSQD66 \
  | 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: 7c311bda70f2ce71d5a79ed3f9ca03f7bc993ae6a20526e9a8386df3bce85379

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "416e0caeeb46f851e8d4fb38a4595141baa74507e961e88f02608a3dc8b51096",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-12-30T13:05:36Z",
    "title_canon_sha256": "1b0c753acbb908b7b1064c56ad8c4ca90bac0703ecc919de1a1aa7558414806e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.7702",
    "kind": "arxiv",
    "version": 2
  }
}