Pith Number

pith:UZS7YXCI

pith:2010:UZS7YXCIBVWUBCFZJU7LZVE6TL

not attested not anchored not stored refs pending

Fermi Large Area Telescope observations of PSR J1836+5925

The Fermi LAT collaboration

arxiv:1002.2977 v1 · 2010-02-15 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UZS7YXCIBVWUBCFZJU7LZVE6TL}

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	2026-05-18T02:09:08.019779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a665fc5c480d6d4088b94d3ebcd49e9ac59050fa2acf60caa1f6c84152cb7897

Aliases

arxiv: 1002.2977 · arxiv_version: 1002.2977v1 · doi: 10.48550/arxiv.1002.2977 · pith_short_12: UZS7YXCIBVWU · pith_short_16: UZS7YXCIBVWUBCFZ · pith_short_8: UZS7YXCI

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/UZS7YXCIBVWUBCFZJU7LZVE6TL \
  | 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: a665fc5c480d6d4088b94d3ebcd49e9ac59050fa2acf60caa1f6c84152cb7897

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6452f2f35e342ea8cb6cfde9473702f33d8488cb70b244f0f21b108fbd310351",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-02-15T23:19:19Z",
    "title_canon_sha256": "719aa9dc6891b7344cb302b99129eb3817c190e1168b1a5a449f1ea87c3a78cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.2977",
    "kind": "arxiv",
    "version": 1
  }
}