Pith Number

pith:WK4SMYC3

pith:2012:WK4SMYC3WNKRF4JNHAOGAPXMZH

not attested not anchored not stored refs pending

GRB 100418A: a Long GRB without a Bright Supernova in a High-Metallicity Host Galaxy

Ken'ichi Nomoto, Kentaro Aoki, Kiyoto Yabe, Takashi Hattori, Tetsuya Hashimoto, Yuu Niino

arxiv:1204.0583 v2 · 2012-04-03 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WK4SMYC3WNKRF4JNHAOGAPXMZH}

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	2026-05-18T01:57:57.809520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2b926605bb35512f12d381c603eecc9e928bf3ae52b16490ade4a9f27c38ef2

Aliases

arxiv: 1204.0583 · arxiv_version: 1204.0583v2 · doi: 10.48550/arxiv.1204.0583 · pith_short_12: WK4SMYC3WNKR · pith_short_16: WK4SMYC3WNKRF4JN · pith_short_8: WK4SMYC3

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/WK4SMYC3WNKRF4JNHAOGAPXMZH \
  | 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: b2b926605bb35512f12d381c603eecc9e928bf3ae52b16490ade4a9f27c38ef2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41a004e5c1b8e9d6f4ded21ed74041b7f3e69528627f53ef5bc15f71850c03e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-04-03T03:25:55Z",
    "title_canon_sha256": "aa6fe658769acedab3a34bf094d6197e9a9673ba96c13c037124ec47f774274b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.0583",
    "kind": "arxiv",
    "version": 2
  }
}