Pith Number

pith:HLJC2IHW

pith:2013:HLJC2IHWBZJVRLVQ56GVZOBUJU

not attested not anchored not stored refs pending

Long Gamma Ray Bursts Trace The Star Formation History

Arnon Dar, Shlomo Dado

arxiv:1307.5556 v4 · 2013-07-21 · astro-ph.CO · 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{HLJC2IHWBZJVRLVQ56GVZOBUJU}

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	2026-05-18T01:48:42.012601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ad22d20f60e5358aeb0ef8d5cb8344d373e14a818dcc2ae1a43aa761295701a

Aliases

arxiv: 1307.5556 · arxiv_version: 1307.5556v4 · doi: 10.48550/arxiv.1307.5556 · pith_short_12: HLJC2IHWBZJV · pith_short_16: HLJC2IHWBZJVRLVQ · pith_short_8: HLJC2IHW

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/HLJC2IHWBZJVRLVQ56GVZOBUJU \
  | 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: 3ad22d20f60e5358aeb0ef8d5cb8344d373e14a818dcc2ae1a43aa761295701a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "825254ac59909e7a80ebc21babde5756230c7d04dbcf0a4fa08a35b5566ea840",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-07-21T18:45:41Z",
    "title_canon_sha256": "6e9da26ced5d914df1e0f27c41c78e9b47534df5e2d10bea298f905d1e87f3f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5556",
    "kind": "arxiv",
    "version": 4
  }
}