Pith Number

pith:IJZQQA7P

pith:2009:IJZQQA7PTZTAB7YFNHDLNAGKF7

not attested not anchored not stored refs pending

GRB 080916C and GRB 090510: the high energy emission and the afterglow

Dong Xu, Jirong Mao, Wei-Hong Gao, Yi-Zhong Fan

arxiv:0908.3975 v3 · 2009-08-27 · 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{IJZQQA7PTZTAB7YFNHDLNAGKF7}

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	2026-05-18T02:12:22.270871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42730803ef9e6600ff0569c6b680ca2ff59d5875c793ee2d49d25828fe002730

Aliases

arxiv: 0908.3975 · arxiv_version: 0908.3975v3 · doi: 10.48550/arxiv.0908.3975 · pith_short_12: IJZQQA7PTZTA · pith_short_16: IJZQQA7PTZTAB7YF · pith_short_8: IJZQQA7P

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/IJZQQA7PTZTAB7YFNHDLNAGKF7 \
  | 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: 42730803ef9e6600ff0569c6b680ca2ff59d5875c793ee2d49d25828fe002730

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3e4bfaf6ec18c0389a208ad6f4405926d264a07e0177406762ab1a984bf81c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-08-27T19:55:47Z",
    "title_canon_sha256": "b2286c1ff7f03b08d2592994eb8dceffc67a26f7ef0ad17890fe07901922f890"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.3975",
    "kind": "arxiv",
    "version": 3
  }
}