Pith Number

pith:5U5ZL6LX

pith:2012:5U5ZL6LXBHEJ7HNXLEGCA4YJPC

not attested not anchored not stored refs pending

Fermi-LAT constraints on dark matter annihilation cross section from observations of the Fornax cluster

Daisuke Nagai (Yale), Shin'ichiro Ando (Amsterdam)

arxiv:1201.0753 v2 · 2012-01-03 · 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{5U5ZL6LXBHEJ7HNXLEGCA4YJPC}

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	2026-05-18T03:51:38.028212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed3b95f97709c89f9db7590c207309788627e2975d36a5f9dec72f6c3909098f

Aliases

arxiv: 1201.0753 · arxiv_version: 1201.0753v2 · doi: 10.48550/arxiv.1201.0753 · pith_short_12: 5U5ZL6LXBHEJ · pith_short_16: 5U5ZL6LXBHEJ7HNX · pith_short_8: 5U5ZL6LX

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/5U5ZL6LXBHEJ7HNXLEGCA4YJPC \
  | 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: ed3b95f97709c89f9db7590c207309788627e2975d36a5f9dec72f6c3909098f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73058169ead7305420c36f9ba06ae10249d76f356a5203454b2705194bfc7f81",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-01-03T21:00:00Z",
    "title_canon_sha256": "9c4c3f3867dbc9eee5f2434ed1405b9475e014312c46e0677fc707450c1f439a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.0753",
    "kind": "arxiv",
    "version": 2
  }
}