Pith Number

pith:BSBKFPRQ

pith:2014:BSBKFPRQ6HDURDSZG2GERB7XZL

not attested not anchored not stored refs pending

Extragalactic gamma-ray signal from dark matter annihilation: an appraisal

David Theurel, Emiliano Sefusatti, Gabrijela Zaharijas, Michael Gustafsson, Pasquale D. Serpico

arxiv:1401.2117 v2 · 2014-01-09 · astro-ph.CO · 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{BSBKFPRQ6HDURDSZG2GERB7XZL}

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	2026-05-18T02:50:33.841098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c82a2be30f1c7488e59368c4887f7cad9ae25293beb13f5121c2144a5ee9538

Aliases

arxiv: 1401.2117 · arxiv_version: 1401.2117v2 · doi: 10.48550/arxiv.1401.2117 · pith_short_12: BSBKFPRQ6HDU · pith_short_16: BSBKFPRQ6HDURDSZ · pith_short_8: BSBKFPRQ

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/BSBKFPRQ6HDURDSZG2GERB7XZL \
  | 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: 0c82a2be30f1c7488e59368c4887f7cad9ae25293beb13f5121c2144a5ee9538

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12d6f81ef55b3c9046cc8f5ab67fecb3b41a3034f6bd513ef43bdbfe62fc7da3",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-01-09T19:04:33Z",
    "title_canon_sha256": "64264f4f0b265eaedbd0212e2f489bb479d4409bc0b01154835f28f93a160e34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2117",
    "kind": "arxiv",
    "version": 2
  }
}