Pith Number

pith:4IOXBO4E

pith:2014:4IOXBO4ERNCTOFADUSYBF73VRR

not attested not anchored not stored refs pending

The First Billion Years project: gamma-ray bursts at z>5

C. Dalla Vecchia, J. Elliott, J. Greiner, S. Khochfar

arxiv:1408.2526 v2 · 2014-08-11 · 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{4IOXBO4ERNCTOFADUSYBF73VRR}

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	2026-05-18T01:42:21.673457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e21d70bb848b45371403a4b012ff758c7a1ef3dd674e63246363514f4ae6bc9c

Aliases

arxiv: 1408.2526 · arxiv_version: 1408.2526v2 · doi: 10.48550/arxiv.1408.2526 · pith_short_12: 4IOXBO4ERNCT · pith_short_16: 4IOXBO4ERNCTOFAD · pith_short_8: 4IOXBO4E

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/4IOXBO4ERNCTOFADUSYBF73VRR \
  | 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: e21d70bb848b45371403a4b012ff758c7a1ef3dd674e63246363514f4ae6bc9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d730838b61173199a2c238c18e49558cb56ebfe38a54de509141b1824c446f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-08-11T20:00:12Z",
    "title_canon_sha256": "5e968ce82a7b95ee96930af2ce7a3d3e8d7f050b6be64dd2ad91bbcda65e28ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2526",
    "kind": "arxiv",
    "version": 2
  }
}