Pith Number

pith:7UZ7DXUJ

pith:2003:7UZ7DXUJ6WEN3PKKNKN64NH3L6

not attested not anchored not stored refs pending

Characteristic Variability Time Scales of Long Gamma-Ray Bursts

CAS), Inst. of High Energy Phys., L. M. Song (Particle Astrophysics Center, R. F. Shen

arxiv:astro-ph/0301553 v2 · 2003-01-28 · 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{7UZ7DXUJ6WEN3PKKNKN64NH3L6}

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	2026-05-18T01:40:39.460539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd33f1de89f588ddbd4a6a9bee34fb5f988ff850f8f941c46290bfaa34e43563

Aliases

arxiv: astro-ph/0301553 · arxiv_version: astro-ph/0301553v2 · doi: 10.48550/arxiv.astro-ph/0301553 · pith_short_12: 7UZ7DXUJ6WEN · pith_short_16: 7UZ7DXUJ6WEN3PKK · pith_short_8: 7UZ7DXUJ

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/7UZ7DXUJ6WEN3PKKNKN64NH3L6 \
  | 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: fd33f1de89f588ddbd4a6a9bee34fb5f988ff850f8f941c46290bfaa34e43563

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "833e2577476c7aeab4d3d97b6520bf57de13f9401bc1e93c12c9358f95ab2c5b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-01-28T15:32:58Z",
    "title_canon_sha256": "cc76619fba110429886c957ddfd8abbe510dfeba33d504b89df7b9b4d46944f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0301553",
    "kind": "arxiv",
    "version": 2
  }
}