Pith Number

pith:ULILV5XG

pith:2011:ULILV5XGXOMFXNSLK7WLX4JUEQ

not attested not anchored not stored refs pending

Constraint on dark matter annihilation with dark star formation using Fermi extragalactic diffuse gamma-ray background data

Bing Zhang (UNLV), Bin Yue (NAOC, GUCAS), PKU), Qiang Yuan (IHEP, Unlv), Xuelei Chen (NAOC

arxiv:1104.1233 v2 · 2011-04-07 · 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{ULILV5XGXOMFXNSLK7WLX4JUEQ}

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	2026-05-18T04:23:55.982860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2d0baf6e6bb985bb64b57ecbbf1342405d5be0943c67e1cbe8ad3e7589c6c0d

Aliases

arxiv: 1104.1233 · arxiv_version: 1104.1233v2 · doi: 10.48550/arxiv.1104.1233 · pith_short_12: ULILV5XGXOMF · pith_short_16: ULILV5XGXOMFXNSL · pith_short_8: ULILV5XG

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/ULILV5XGXOMFXNSLK7WLX4JUEQ \
  | 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: a2d0baf6e6bb985bb64b57ecbbf1342405d5be0943c67e1cbe8ad3e7589c6c0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cebbe2150ae793a70d1e58383ed6b60bbc5b996e721a75253c0b2fcaa5fb615",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-04-07T02:20:02Z",
    "title_canon_sha256": "0b4cbd0b4296583e25a1d9ceb68ec2d4bddb43bc92896e704d10bd1b95188a12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1233",
    "kind": "arxiv",
    "version": 2
  }
}