Pith Number

pith:3J5JXKNL

pith:2008:3J5JXKNL3XCLQH36ARMEDKCWJR

not attested not anchored not stored refs pending

Type Ib Supernova 2008D associated with the Luminous X-ray Transient 080109: An Energetic Explosion of a Massive Helium Star

D.K. Sahu, E. Pian, G.C. Anupama, G. Chincarini, Ken'ichi Nomoto, Masaomi Tanaka, M. Della Valle, M. Yoshida, Nozomu Tominaga, P. A. Mazzali, S. Benetti, S. Valenti, T. Minezaki, Y. Yoshii

arxiv:0807.1674 v3 · 2008-07-10 · 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{3J5JXKNL3XCLQH36ARMEDKCWJR}

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	2026-05-18T04:29:33.276882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da7a9ba9abddc4b81f7e045841a8564c655c09e722188f7de0febe6c3a33ecc2

Aliases

arxiv: 0807.1674 · arxiv_version: 0807.1674v3 · doi: 10.48550/arxiv.0807.1674 · pith_short_12: 3J5JXKNL3XCL · pith_short_16: 3J5JXKNL3XCLQH36 · pith_short_8: 3J5JXKNL

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/3J5JXKNL3XCLQH36ARMEDKCWJR \
  | 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: da7a9ba9abddc4b81f7e045841a8564c655c09e722188f7de0febe6c3a33ecc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "938eadf73c357e27ee9cd859d556c8bd5f46d6a005d7e18f6e6798d5f212900a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-07-10T16:40:22Z",
    "title_canon_sha256": "e99d6692c99bb917fa17888d003484bec34a02650ba76ab62c7104122db02d7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.1674",
    "kind": "arxiv",
    "version": 3
  }
}