Pith Number

pith:IWRNSISB

pith:2009:IWRNSISBHBQP56K3PQI3OPV7SS

not attested not anchored not stored refs pending

Are all short-hard gamma-ray bursts produced from mergers of compact stellar objects?

Bing Zhang, Eleonora Troja, Francisco J. Virgili, Paul O'Brien

arxiv:0909.1850 v2 · 2009-09-09 · 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{IWRNSISBHBQP56K3PQI3OPV7SS}

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	2026-05-18T04:31:22.672119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45a2d922413860fef95b7c11b73ebf94bd259590cd07c829ae48b712028af905

Aliases

arxiv: 0909.1850 · arxiv_version: 0909.1850v2 · doi: 10.48550/arxiv.0909.1850 · pith_short_12: IWRNSISBHBQP · pith_short_16: IWRNSISBHBQP56K3 · pith_short_8: IWRNSISB

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/IWRNSISBHBQP56K3PQI3OPV7SS \
  | 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: 45a2d922413860fef95b7c11b73ebf94bd259590cd07c829ae48b712028af905

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "226503d36006eb0f3a2ba283d21bf7765b2e6c158748d256aab0761fe25dd710",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-09-09T23:53:59Z",
    "title_canon_sha256": "90098e41ba35bc747fdd061fc62c1c95bfbfa6201daaadca757837bf54533f5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.1850",
    "kind": "arxiv",
    "version": 2
  }
}