Pith Number

pith:KUAAMZ2Y

pith:2012:KUAAMZ2YKKKA3IINABAQHADA7E

not attested not anchored not stored refs pending

Construction of a Calibrated Probabilistic Classification Catalog: Application to 50k Variable Sources in the All-Sky Automated Survey

Adam A. Miller, Arien Crellin-Quick, Dan L. Starr, Henrik Brink, Joseph W. Richards, Joshua S. Bloom, Nathaniel R. Butler

arxiv:1204.4180 v2 · 2012-04-18 · astro-ph.IM · astro-ph.SR · 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{KUAAMZ2YKKKA3IINABAQHADA7E}

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	2026-05-18T01:57:49.147510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

550006675852940da10d0041038060f91903435f1a92c9af84ec57000aec4b2f

Aliases

arxiv: 1204.4180 · arxiv_version: 1204.4180v2 · doi: 10.48550/arxiv.1204.4180 · pith_short_12: KUAAMZ2YKKKA · pith_short_16: KUAAMZ2YKKKA3IIN · pith_short_8: KUAAMZ2Y

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/KUAAMZ2YKKKA3IINABAQHADA7E \
  | 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: 550006675852940da10d0041038060f91903435f1a92c9af84ec57000aec4b2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0590762cf5bca73146fd7b0a015b0ab658cc885681fed2f9b3ee54de6ba73142",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-04-18T20:00:00Z",
    "title_canon_sha256": "c8193db29e0882e030eb564f67bd82a30fec8f466b5cc73106037abb148b8b27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.4180",
    "kind": "arxiv",
    "version": 2
  }
}