Pith Number

pith:3MQ3UU4N

pith:2010:3MQ3UU4N7T4X6NLDNSLQN3RH4A

not attested not anchored not stored refs pending

Correlating Fermi gamma-ray sources with ultra-high energy cosmic rays

I. Oya (Universidad Complutense de Madrid), N. Mirabal

arxiv:1002.2638 v3 · 2010-02-15 · 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{3MQ3UU4N7T4X6NLDNSLQN3RH4A}

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	2026-05-18T02:09:08.691337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db21ba538dfcf97f35636c9706ee27e016d1f8645f884b18a5ffbd800f1ceca0

Aliases

arxiv: 1002.2638 · arxiv_version: 1002.2638v3 · doi: 10.48550/arxiv.1002.2638 · pith_short_12: 3MQ3UU4N7T4X · pith_short_16: 3MQ3UU4N7T4X6NLD · pith_short_8: 3MQ3UU4N

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/3MQ3UU4N7T4X6NLDNSLQN3RH4A \
  | 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: db21ba538dfcf97f35636c9706ee27e016d1f8645f884b18a5ffbd800f1ceca0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d00203b617a29a533edb9dcd71b3e29fe936385d6f4c01effc71582e5f4ba912",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-02-15T19:09:14Z",
    "title_canon_sha256": "def06ae8da06c82e7f9f24331111dea61bdf429d639e9527ac0bb7aa97591f86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.2638",
    "kind": "arxiv",
    "version": 3
  }
}