Pith Number

pith:EQTNKGMI

pith:2008:EQTNKGMIZF5RQRHS3Y7ACD75M3

not attested not anchored not stored refs pending

Gamma-ray Bursts: Light on the distant Universe

Jonathan Grindlay

arxiv:0901.0041 v1 · 2008-12-31 · 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{EQTNKGMIZF5RQRHS3Y7ACD75M3}

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	2026-05-18T04:36:40.772718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2426d51988c97b1844f2de3e010ffd66ece42826db5315d7204cbb0e87f79929

Aliases

arxiv: 0901.0041 · arxiv_version: 0901.0041v1 · doi: 10.48550/arxiv.0901.0041 · pith_short_12: EQTNKGMIZF5R · pith_short_16: EQTNKGMIZF5RQRHS · pith_short_8: EQTNKGMI

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/EQTNKGMIZF5RQRHS3Y7ACD75M3 \
  | 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: 2426d51988c97b1844f2de3e010ffd66ece42826db5315d7204cbb0e87f79929

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6ce16459b7918e31c0eabb046496dce9e3ccc9ab929e0a5ae1b9f41127adc17",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2008-12-31T02:45:55Z",
    "title_canon_sha256": "00963dc1ed73bc3cea04fd1f0c89cafcc92220efb972d9468f0cc30cfd53e633"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.0041",
    "kind": "arxiv",
    "version": 1
  }
}