Pith Number

pith:AQTMR4VG

pith:2012:AQTMR4VGIA2VCYTWSHW4SQ7444

not attested not anchored not stored refs pending

Discovery of black hole spindown in the BATSE catalogue of long GRBs

Maurice H. P. M. van Putten

arxiv:1201.2126 v1 · 2012-01-10 · 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{AQTMR4VGIA2VCYTWSHW4SQ7444}

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	2026-05-18T04:01:02.417809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0426c8f2a6403551627691edc943fce724638aa70496e0571fdd739a9b2983fb

Aliases

arxiv: 1201.2126 · arxiv_version: 1201.2126v1 · doi: 10.48550/arxiv.1201.2126 · pith_short_12: AQTMR4VGIA2V · pith_short_16: AQTMR4VGIA2VCYTW · pith_short_8: AQTMR4VG

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/AQTMR4VGIA2VCYTWSHW4SQ7444 \
  | 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: 0426c8f2a6403551627691edc943fce724638aa70496e0571fdd739a9b2983fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c086387b2d3d2ab92bc6ee6bedaa685d2e04b7e777ac3cffa08601e40b9b9711",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-01-10T17:47:19Z",
    "title_canon_sha256": "666c1159aaa597d864975db9428e942d6811ac7c4976e724a74e9bc5efa8acfc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2126",
    "kind": "arxiv",
    "version": 1
  }
}