Pith Number

pith:PRBJKDOF

pith:2006:PRBJKDOFJ42S25UKQSB7IB5FZB

not attested not anchored not stored refs pending

SN 2004A: Another Type II-P Supernova with a Red Supergiant Progenitor

(2) Department of Physics, (3) Astronomy Department, (4) Department of Astronomy, 5), (5) Hubble Fellow, (6) Department of Physics, (7) Institute for Astronomy, (8) Isaac Newton Group, A. Gal-Yam (4, Astronomy, Austin, Belfast, CA, California Institute of Technology, Cambridge, C. R. Benn (8), D.-S. Moon (6), D. W. Fox (4), Espana), Hawaii, Honolulu, J. R. Maund (3), M. A. Hendry (1), Pasadena, Queen's University Belfast, R. M. Crockett (2), R. {\O}stensen (8) ((1) Institute of Astronomy, R. P. Kudritzki (7), Santa Cruz de La Palma, S. B. Cenko (6), S. J. Smartt (2), Space Radiation Laboratory, TX, UK, University of Cambridge, University of Hawaii, University of Texas, USA

arxiv:astro-ph/0603670 v2 · 2006-03-24 · astro-ph

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

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	2026-05-18T01:09:10.641210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c42950dc54f352d768a8483f407a5c84e4f9593a3d2925e6ac8692de6f94253

Aliases

arxiv: astro-ph/0603670 · arxiv_version: astro-ph/0603670v2 · doi: 10.48550/arxiv.astro-ph/0603670 · pith_short_12: PRBJKDOFJ42S · pith_short_16: PRBJKDOFJ42S25UK · pith_short_8: PRBJKDOF

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/PRBJKDOFJ42S25UKQSB7IB5FZB \
  | 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: 7c42950dc54f352d768a8483f407a5c84e4f9593a3d2925e6ac8692de6f94253

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "220328b560c1f6fcb3ba3b1fc63e969705e20168868cf53d6cf0249d135afe0c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-03-24T14:55:15Z",
    "title_canon_sha256": "68901db14bc6a1d93ad62ac3df98d1902ec3621dd75ba1bfe942cc32a5623e37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0603670",
    "kind": "arxiv",
    "version": 2
  }
}