Pith Number

pith:QMMBBBAI

pith:2012:QMMBBBAI6GQJH4KJFMD4AWLUAA

not attested not anchored not stored refs pending

Red and dead: The progenitor of SN 2012aw in M95

A. Pastorello, A. Stephens, C. Inserra, E. Reilly, F. Taddia, J. J. Eldridge, J. R. Maund, J. Sollerman, L. Tomasella, M. Dall'Ora, M. Ergon, M. Fraser, M.-T. Botticella, P. Ochner, R. Kotak, S. Benetti, S. Ciroi, S. J. Smartt, S. Mattila, S. Valenti

arxiv:1204.1523 v1 · 2012-04-06 · astro-ph.CO · 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{QMMBBBAI6GQJH4KJFMD4AWLUAA}

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	2026-05-18T01:57:56.084197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8318108408f1a093f1492b07c05974003fc35712af3872f08679e862eacfac1c

Aliases

arxiv: 1204.1523 · arxiv_version: 1204.1523v1 · doi: 10.48550/arxiv.1204.1523 · pith_short_12: QMMBBBAI6GQJ · pith_short_16: QMMBBBAI6GQJH4KJ · pith_short_8: QMMBBBAI

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/QMMBBBAI6GQJH4KJFMD4AWLUAA \
  | 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: 8318108408f1a093f1492b07c05974003fc35712af3872f08679e862eacfac1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c722fa78e48bb191a848c394195ec0422025bfd2a10860f762040e7a24d0486",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-04-06T17:39:47Z",
    "title_canon_sha256": "befa979dd302680da5c0c48e9fd5bd849316858fde6963b59468528a6afedefb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.1523",
    "kind": "arxiv",
    "version": 1
  }
}