Pith Number

pith:3B6JWBLJ

pith:2003:3B6JWBLJO25DEXWQHNTFCU24A7

not attested not anchored not stored refs pending

Hypernovae and Other Black-Hole-Forming Supernovae

H. Umeda, J. Deng, K. Iwamoto, K. Maeda, K. Nomoto, P.A. Mazzali

arxiv:astro-ph/0308136 v1 · 2003-08-08 · 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{3B6JWBLJO25DEXWQHNTFCU24A7}

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	2026-05-18T01:25:31.911690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d87c9b056976ba325ed03b6651535c07ff650c1aa968a444088d10db8cbfb33c

Aliases

arxiv: astro-ph/0308136 · arxiv_version: astro-ph/0308136v1 · doi: 10.48550/arxiv.astro-ph/0308136 · pith_short_12: 3B6JWBLJO25D · pith_short_16: 3B6JWBLJO25DEXWQ · pith_short_8: 3B6JWBLJ

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/3B6JWBLJO25DEXWQHNTFCU24A7 \
  | 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: d87c9b056976ba325ed03b6651535c07ff650c1aa968a444088d10db8cbfb33c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d3d5d0aaa9585fcf032c84bc3ab5199fa6ae333d005de378eb8a2bf5653f78b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-08-08T11:53:25Z",
    "title_canon_sha256": "0507c21957348e11076b033b5e952747ba5ff1297ff3c2c14d7de8e9a88d045f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0308136",
    "kind": "arxiv",
    "version": 1
  }
}