Pith Number

pith:ZD7V5BAM

pith:2005:ZD7V5BAMVDUDBYJ7WAT4TYX4JX

not attested not anchored not stored refs pending

Supernovae Shedding Light on Gamma-Ray Bursts

Florence), M. Della Valle (INAF-Arcetri Astrophysical Observatory

arxiv:astro-ph/0504517 v1 · 2005-04-23 · 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{ZD7V5BAMVDUDBYJ7WAT4TYX4JX}

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	2026-05-18T04:36:30.098125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8ff5e840ca8e830e13fb027c9e2fc4dc96a27009c5831a80c8ce0d643d15622

Aliases

arxiv: astro-ph/0504517 · arxiv_version: astro-ph/0504517v1 · doi: 10.48550/arxiv.astro-ph/0504517 · pith_short_12: ZD7V5BAMVDUD · pith_short_16: ZD7V5BAMVDUDBYJ7 · pith_short_8: ZD7V5BAM

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/ZD7V5BAMVDUDBYJ7WAT4TYX4JX \
  | 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: c8ff5e840ca8e830e13fb027c9e2fc4dc96a27009c5831a80c8ce0d643d15622

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea70f1fda8719c5b9147b202dffae20a6bb3431f79f42c39fd87a4e755db1b2c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-04-23T09:38:11Z",
    "title_canon_sha256": "1669703781588ec2f92d1a8d0dc9691bb9c1ece2516a1a9fd5533762c13ae8ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0504517",
    "kind": "arxiv",
    "version": 1
  }
}