Pith Number

pith:MKW4HMFL

pith:1998:MKW4HMFLVSQIBNWSIDVTX3DGBT

not attested not anchored not stored refs pending

An IR Search for Extinguished Supernovae in Starburst Galaxies

Brian M. Sutin, Bruce Grossan, Earl Spillar, Norbert Pirzkal, Paul Johnson, Robert Tripp

arxiv:astro-ph/9812253 v1 · 1998-12-14 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MKW4HMFLVSQIBNWSIDVTX3DGBT}

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	2026-07-04T16:07:22.085629Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62adc3b0abaca080b6d240eb3bec660ced14504438220b83e428d8dd8e196282

Aliases

arxiv: astro-ph/9812253 · arxiv_version: astro-ph/9812253v1 · doi: 10.48550/arxiv.astro-ph/9812253 · pith_short_12: MKW4HMFLVSQI · pith_short_16: MKW4HMFLVSQIBNWS · pith_short_8: MKW4HMFL

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/MKW4HMFLVSQIBNWSIDVTX3DGBT \
  | 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: 62adc3b0abaca080b6d240eb3bec660ced14504438220b83e428d8dd8e196282

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dd2fb26401ccbce35424d75372dafc0b89c29844926493f890d1ab4b96eebee",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-12-14T00:10:25Z",
    "title_canon_sha256": "b669cb9838886a4e1d9954e9e1a058176ce3054eeedc3e8f3a1b848383471b68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9812253",
    "kind": "arxiv",
    "version": 1
  }
}