Pith Number

pith:JTYWE4GX

pith:2009:JTYWE4GXHLXEDMDITBYVDGV66A

not attested not anchored not stored refs pending

Optical Classification of Gamma-Ray Bursts in the Swift Era

A.J. van der Horst, C. Kouveliotou, D.N. Burrows, E. Rol, J.K. Cannizzo, J. Racusin, N. Gehrels, R.A.M.J. Wijers

arxiv:0905.0524 v1 · 2009-05-05 · 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{JTYWE4GXHLXEDMDITBYVDGV66A}

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	2026-07-04T17:23:31.725628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4cf16270d73aee41b0689871519abef0164957a4b3da081b42c5c173d60c359a

Aliases

arxiv: 0905.0524 · arxiv_version: 0905.0524v1 · doi: 10.48550/arxiv.0905.0524 · pith_short_12: JTYWE4GXHLXE · pith_short_16: JTYWE4GXHLXEDMDI · pith_short_8: JTYWE4GX

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/JTYWE4GXHLXEDMDITBYVDGV66A \
  | 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: 4cf16270d73aee41b0689871519abef0164957a4b3da081b42c5c173d60c359a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf13f922277d22fe7039d42d0d09ca779afe00531be164f03ead52ee6422dd50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-05-05T05:08:29Z",
    "title_canon_sha256": "361c12ddeefad048e6c1cf292781ccac1f812b40a45ecda75cb65597261cd3f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.0524",
    "kind": "arxiv",
    "version": 1
  }
}