Pith Number

pith:4YHAHYY4

pith:2000:4YHAHYY4UYXSMHCGJNQ2CCCH3D

not attested not anchored not stored refs pending

The afterglows of gamma-ray bursts

A. Diercks, D. A. Frail, E. Berger, F. A. Harrison, F. Chaffee, J. S. Bloom, R. Sari, R. W. Goodrich, S. A. Yost, S. G. Djorgovski, S. R. Kulkarni, T. J. Galama

arxiv:astro-ph/0002168 v1 · 2000-02-08 · 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{4YHAHYY4UYXSMHCGJNQ2CCCH3D}

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	2026-07-04T16:16:02.370099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e60e03e31ca62f261c464b61a10847d8f4890dd635a5df32b0b799c7ed73a7bd

Aliases

arxiv: astro-ph/0002168 · arxiv_version: astro-ph/0002168v1 · doi: 10.48550/arxiv.astro-ph/0002168 · pith_short_12: 4YHAHYY4UYXS · pith_short_16: 4YHAHYY4UYXSMHCG · pith_short_8: 4YHAHYY4

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/4YHAHYY4UYXSMHCGJNQ2CCCH3D \
  | 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: e60e03e31ca62f261c464b61a10847d8f4890dd635a5df32b0b799c7ed73a7bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e105386093fbef6f8fd3c2bf2518060591123c7684bad3183ddb0f7363190f5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-02-08T05:58:07Z",
    "title_canon_sha256": "0bf21ff24a9a0a85b16d255a6783921a63605567f68e1fc3da36afb7055bc25e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0002168",
    "kind": "arxiv",
    "version": 1
  }
}