Pith Number

pith:PDAWVU42

pith:2012:PDAWVU42Z4IKWOHKFK4WGSH2YY

not attested not anchored not stored refs pending

Limits to the fraction of high-energy photon emitting gamma-ray bursts

Carl W. Akerlof, Weikang Zheng

arxiv:1205.3066 v2 · 2012-05-14 · 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{PDAWVU42Z4IKWOHKFK4WGSH2YY}

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	2026-05-18T01:57:32.498176Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78c16ad39acf10ab38ea2ab96348fac60ea749b9fc8f03c6f2801f9aceacdfb7

Aliases

arxiv: 1205.3066 · arxiv_version: 1205.3066v2 · doi: 10.48550/arxiv.1205.3066 · pith_short_12: PDAWVU42Z4IK · pith_short_16: PDAWVU42Z4IKWOHK · pith_short_8: PDAWVU42

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/PDAWVU42Z4IKWOHKFK4WGSH2YY \
  | 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: 78c16ad39acf10ab38ea2ab96348fac60ea749b9fc8f03c6f2801f9aceacdfb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53e85bde0d42ac47680432162e7c7fe7624c61e45a19877bce13e349b4208e5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-05-14T15:49:12Z",
    "title_canon_sha256": "3c43f9a9ffb6431f0482134ea9bed5034b4b1abcf802face89f9deca1f68566b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3066",
    "kind": "arxiv",
    "version": 2
  }
}