Pith Number

pith:A2NDJOT3

pith:2013:A2NDJOT3QLXLQ7QOTPMBAVNAEM

not attested not anchored not stored refs pending

The Cosmic BPT Diagram: Confronting Theory with Observations

Christian Maier (U. Vienna), King Abdulaziz University), Kiyoto Yabe (NAOJ), Kouji Ohta (Kyoto University), Lisa J. Kewley (ANU, Masayuki Akiyama (Tohoku University), Michael A. Dopita (ANU, Tiantian Yuan (ANU), U.Hawaii)

arxiv:1307.0514 v1 · 2013-07-01 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A2NDJOT3QLXLQ7QOTPMBAVNAEM}

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	2026-05-18T01:49:00.966777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

069a34ba7b82eeb87e0e9bd81055a0233b85525e1a6aca65ec5ae664452580f3

Aliases

arxiv: 1307.0514 · arxiv_version: 1307.0514v1 · doi: 10.48550/arxiv.1307.0514 · pith_short_12: A2NDJOT3QLXL · pith_short_16: A2NDJOT3QLXLQ7QO · pith_short_8: A2NDJOT3

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/A2NDJOT3QLXLQ7QOTPMBAVNAEM \
  | 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: 069a34ba7b82eeb87e0e9bd81055a0233b85525e1a6aca65ec5ae664452580f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "667dc84aac9cd9ce2f86c304ffdb5dc3c9099e89221d6c6606ae7b045fa0d02d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-07-01T20:03:56Z",
    "title_canon_sha256": "805c63f3d9df0b50039927cd6c4047c6bf7f482e67d92a8a74e593064dc0f93c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.0514",
    "kind": "arxiv",
    "version": 1
  }
}