Pith Number

pith:BXM46VAO

pith:2012:BXM46VAOVCPVQZHFWI6YS6UMTC

not attested not anchored not stored refs pending

The Red Supergiant Progenitor of Supernova 2012aw (PTF12bvh) in Messier 95

(2) UC Berkeley, (3) Tel-Aviv Univ., (4) Weizmann Institute, (5) U. Hawaii, (6) CFHT), Alan Stockton (5), Alexei V. Filippenko (2), Andrew W. Howard (2), Avishay Gal-Yam (4), Dovi Poznanski (3), Geoffrey W. Marcy (2), Howard Isaacson (2) ((1) SSC/Caltech, Iair Arcavi (4), Jean-Charles Cuillandre (6), Kathryn Silverio (2), S. Bradley Cenko (2), Schuyler D. Van Dyk (1)

arxiv:1207.2811 v1 · 2012-07-11 · astro-ph.SR · 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{BXM46VAOVCPVQZHFWI6YS6UMTC}

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	2026-05-18T01:56:24.702796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0dd9cf540ea89f5864e5b23d897a8c98879d68466c0b1c3385d70b8c5fcfb273

Aliases

arxiv: 1207.2811 · arxiv_version: 1207.2811v1 · doi: 10.48550/arxiv.1207.2811 · pith_short_12: BXM46VAOVCPV · pith_short_16: BXM46VAOVCPVQZHF · pith_short_8: BXM46VAO

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/BXM46VAOVCPVQZHFWI6YS6UMTC \
  | 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: 0dd9cf540ea89f5864e5b23d897a8c98879d68466c0b1c3385d70b8c5fcfb273

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d4bde48d41bc1252c5768fc853dbf2e3d08db1324dfd969081a130c9c7d445b",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-07-11T23:22:51Z",
    "title_canon_sha256": "80ba6e15525a9fc4b6d47fd8795f845fe2576a29c5f553efc9f3a8f42158ad00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2811",
    "kind": "arxiv",
    "version": 1
  }
}