Pith Number

pith:ZQQWBUCZ

pith:2013:ZQQWBUCZ5UY6ABM6ZTNUCLFQUC

not attested not anchored not stored refs pending

The First Fermi LAT Gamma-Ray Burst Catalog

Fermi-LAT Collaboration

arxiv:1303.2908 v1 · 2013-03-12 · 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{ZQQWBUCZ5UY6ABM6ZTNUCLFQUC}

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	2026-05-18T01:51:08.192970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc2160d059ed31e0059eccdb412cb0a0af825c0de66bc02de455d9d2b1f4c88c

Aliases

arxiv: 1303.2908 · arxiv_version: 1303.2908v1 · doi: 10.48550/arxiv.1303.2908 · pith_short_12: ZQQWBUCZ5UY6 · pith_short_16: ZQQWBUCZ5UY6ABM6 · pith_short_8: ZQQWBUCZ

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/ZQQWBUCZ5UY6ABM6ZTNUCLFQUC \
  | 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: cc2160d059ed31e0059eccdb412cb0a0af825c0de66bc02de455d9d2b1f4c88c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8c41c936293998f82b36813097902b3b649cede6f1a3ea9b412a4d4b06b89b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-03-12T15:12:40Z",
    "title_canon_sha256": "95fd28f42131d49a6673f91e578d09b9cad8138fb6c4e3788c64667ca4b01bb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2908",
    "kind": "arxiv",
    "version": 1
  }
}