Pith Number

pith:AKUBD24W

pith:2012:AKUBD24WCBO6M2YYZRZIW5BYOR

not attested not anchored not stored refs pending

Supernovae and radio transients in M 82

A. Stephens, C. Romero-Canizales, M. Fraser, R. M. Crockett, S. J. Smartt, S. Mattila, W. P. S. Meikle

arxiv:1207.1889 v2 · 2012-07-08 · 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{AKUBD24WCBO6M2YYZRZIW5BYOR}

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	2026-05-18T01:56:26.915439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02a811eb96105de66b18cc728b7438746b60ae3449dc1e6fb95611e179ae9700

Aliases

arxiv: 1207.1889 · arxiv_version: 1207.1889v2 · doi: 10.48550/arxiv.1207.1889 · pith_short_12: AKUBD24WCBO6 · pith_short_16: AKUBD24WCBO6M2YY · pith_short_8: AKUBD24W

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/AKUBD24WCBO6M2YYZRZIW5BYOR \
  | 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: 02a811eb96105de66b18cc728b7438746b60ae3449dc1e6fb95611e179ae9700

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b50617eeef147e10339361f930620c94f9b799f78d15fc422a9ba3712f937f89",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-08T17:22:38Z",
    "title_canon_sha256": "c22af1861a0b214a311d91be17f54da1b009f84d9e5c4574e4216fc22ffc8351"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1889",
    "kind": "arxiv",
    "version": 2
  }
}