Pith Number

pith:5CA5N4XI

pith:2013:5CA5N4XIBFNO34P4YMTQW7TQP6

not attested not anchored not stored refs pending

Gamma Rays from Cosmic-Ray Proton Scattering in AGN Jets: the Intra-Cluster Gas vastly outshines Dark Matter

Lorenzo Ubaldi, Mikhail Gorchtein, Stefano Profumo

arxiv:1302.1915 v2 · 2013-02-08 · astro-ph.HE · astro-ph.CO · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5CA5N4XIBFNO34P4YMTQW7TQP6}

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	2026-05-18T03:28:41.939053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e881d6f2e8095aedf1fcc3270b7e707f902443ca946f123628fd6afab34a6d0d

Aliases

arxiv: 1302.1915 · arxiv_version: 1302.1915v2 · doi: 10.48550/arxiv.1302.1915 · pith_short_12: 5CA5N4XIBFNO · pith_short_16: 5CA5N4XIBFNO34P4 · pith_short_8: 5CA5N4XI

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/5CA5N4XIBFNO34P4YMTQW7TQP6 \
  | 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: e881d6f2e8095aedf1fcc3270b7e707f902443ca946f123628fd6afab34a6d0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70ba1da6e56c09e783ed652b30cc2b3076da9aaf4a7e51993780ce1584633e7b",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-02-08T00:15:19Z",
    "title_canon_sha256": "4250eec9670267ec1609d1b2da534f58428adc4fafd4ccd3171639cbdd034b29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1915",
    "kind": "arxiv",
    "version": 2
  }
}