Pith Number

pith:PUELN5MA

pith:2013:PUELN5MAEVJ4DJP3GZDWXIZAFE

not attested not anchored not stored refs pending

Carbon Monoxide in the Cold Debris of Supernova 1987A

A. Bolatto, A. Soderberg, B. M. Swinyard, C. Fransson, G. Sonneborn, G. Van de Steene, G. Zanardo, H. L. Gomez, I. Marti-Vidal, J. A. D. L. Blommaert, J. Glenn, J. Kamenetzky, J. Marcaide, J. Th. van Loon, J. Yates, L. Decin, L. Dunne, L. Staveley-Smith, M.A.T. Groenewegen, M. Baes, M. J. Barlow, M. Lakicevic, M. Matsuura, M. Meixner, P.A.M. van Hoof, P. Royer, R. Hopwood, R. Indebetouw, R. McCray, R.P. Kirshner

arxiv:1307.6561 v1 · 2013-07-24 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PUELN5MAEVJ4DJP3GZDWXIZAFE}

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	2026-05-18T01:48:40.462759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d08b6f5802553c1a5fb36476ba32029135fc0c2602b9e8b51bc8b8532055f5c

Aliases

arxiv: 1307.6561 · arxiv_version: 1307.6561v1 · doi: 10.48550/arxiv.1307.6561 · pith_short_12: PUELN5MAEVJ4 · pith_short_16: PUELN5MAEVJ4DJP3 · pith_short_8: PUELN5MA

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/PUELN5MAEVJ4DJP3GZDWXIZAFE \
  | 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: 7d08b6f5802553c1a5fb36476ba32029135fc0c2602b9e8b51bc8b8532055f5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ecf0447dccb3d8b282079cb79f9c9c9d50738a8305432a17c0fb1a3578eb652",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-07-24T20:00:06Z",
    "title_canon_sha256": "a31cdbb30420dbde9addbbe5927dae936a8b6033dd558b9fa481995f19dc8d79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.6561",
    "kind": "arxiv",
    "version": 1
  }
}