Pith Number

pith:34JMDO2Q

pith:2013:34JMDO2QFMKQQBT46JRUFOUQPN

not attested not anchored not stored refs pending

Integral field spectroscopy of supernova explosion sites: constraining mass and metallicity of the progenitors - I. Type Ib and Ic supernovae

Greg Aldering, Hanindyo Kuncarayakti, Keiichi Maeda, Mamoru Doi, Nobuo Arimoto, Rui Pereira, Tomoki Morokuma, Tomonori Usuda, Yasuhito Hashiba

arxiv:1305.1105 v1 · 2013-05-06 · 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{34JMDO2QFMKQQBT46JRUFOUQPN}

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	2026-05-18T03:18:19.934979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df12c1bb502b1508067cf26342ba907b561125e68f99ff23dc0a867bd6714d99

Aliases

arxiv: 1305.1105 · arxiv_version: 1305.1105v1 · doi: 10.48550/arxiv.1305.1105 · pith_short_12: 34JMDO2QFMKQ · pith_short_16: 34JMDO2QFMKQQBT4 · pith_short_8: 34JMDO2Q

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/34JMDO2QFMKQQBT46JRUFOUQPN \
  | 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: df12c1bb502b1508067cf26342ba907b561125e68f99ff23dc0a867bd6714d99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb7c0c4bec3fdbd392b9d75a0656bcef7923d65f8596ae4adeed8219358553d7",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-05-06T07:53:44Z",
    "title_canon_sha256": "227a8d852bc46bb0d7eacbd8bd5e6d76afbbd7bff2bb8cc3081470a8d492e607"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1105",
    "kind": "arxiv",
    "version": 1
  }
}