Pith Number

pith:FD6SR5MG

pith:2012:FD6SR5MGDNJM2MZPWZYL7F5K3O

not attested not anchored not stored refs pending

Cosmic Ray Studies with the Fermi Gamma-ray Space Telescope Large Area Telescope

David J. Thompson, Luca Baldini, Yasunobu Uchiyama

arxiv:1201.0988 v1 · 2012-01-04 · 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{FD6SR5MGDNJM2MZPWZYL7F5K3O}

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	2026-05-18T02:21:26.053888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28fd28f5861b52cd332fb670bf97aadb85daa33fde670403d9006c4138823476

Aliases

arxiv: 1201.0988 · arxiv_version: 1201.0988v1 · doi: 10.48550/arxiv.1201.0988 · pith_short_12: FD6SR5MGDNJM · pith_short_16: FD6SR5MGDNJM2MZP · pith_short_8: FD6SR5MG

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/FD6SR5MGDNJM2MZPWZYL7F5K3O \
  | 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: 28fd28f5861b52cd332fb670bf97aadb85daa33fde670403d9006c4138823476

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b858b202390ee24a8baa79520b8018369df42d34f9ceb5fc57c1287fc2711827",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-01-04T20:54:31Z",
    "title_canon_sha256": "12f00a60ba47c928fd4f2457828c315b5d96edb703dd7784ec11911f1774ef99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.0988",
    "kind": "arxiv",
    "version": 1
  }
}