Pith Number

pith:CCDPEAGF

pith:2012:CCDPEAGFR23V64P2O2KVLY2VZ3

not attested not anchored not stored refs pending

The contribution from blazar cascade emission to the extragalactic gamma-ray background: What a role does the extragalactic magnetic field play?

Dahai Yan, Houdun Zeng, Li Zhang

arxiv:1202.4250 v1 · 2012-02-20 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CCDPEAGFR23V64P2O2KVLY2VZ3}

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	2026-05-18T01:58:23.689984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1086f200c58eb75f71fa769555e355cecf1bf9798d445f2f65f024316a381ffa

Aliases

arxiv: 1202.4250 · arxiv_version: 1202.4250v1 · doi: 10.48550/arxiv.1202.4250 · pith_short_12: CCDPEAGFR23V · pith_short_16: CCDPEAGFR23V64P2 · pith_short_8: CCDPEAGF

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/CCDPEAGFR23V64P2O2KVLY2VZ3 \
  | 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: 1086f200c58eb75f71fa769555e355cecf1bf9798d445f2f65f024316a381ffa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bee2e72c9ed027d416e5ab3db39e0c25eb8a69d31904a985185819594b63c14d",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-02-20T08:31:06Z",
    "title_canon_sha256": "847c73ece6d26dc394d6935b0b8898f5a540067d17562ff8c922f2f857598fbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4250",
    "kind": "arxiv",
    "version": 1
  }
}