Pith Number

pith:FV3ALNDK

pith:2008:FV3ALNDKF2BXKZHSJY3EK52REI

not attested not anchored not stored refs pending

The broad line type Ic supernova SN 2007ru: Adding to the diversity of type Ic supernovae

D.K. Sahu, G.C. Anupama, Ken'ichi Nomoto, Masaomi Tanaka, Uday K. Gurugubelli

arxiv:0805.3201 v2 · 2008-05-21 · 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{FV3ALNDKF2BXKZHSJY3EK52REI}

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	2026-05-18T04:29:33.577637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d7605b46a2e837564f24e36457751221ea9826be1bab2ee397950d23a3555c1

Aliases

arxiv: 0805.3201 · arxiv_version: 0805.3201v2 · doi: 10.48550/arxiv.0805.3201 · pith_short_12: FV3ALNDKF2BX · pith_short_16: FV3ALNDKF2BXKZHS · pith_short_8: FV3ALNDK

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/FV3ALNDKF2BXKZHSJY3EK52REI \
  | 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: 2d7605b46a2e837564f24e36457751221ea9826be1bab2ee397950d23a3555c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9884f987f40ce4665932f648254ee8c1dc89b8e176dc74f381469739e1707c6f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-05-21T05:53:16Z",
    "title_canon_sha256": "f75f5056d5d048d244ebd5d7fa9df101b6d1113ee30b10f865f5717a05f73e31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.3201",
    "kind": "arxiv",
    "version": 2
  }
}