Pith Number

pith:UCYC3X6J

pith:2009:UCYC3X6JWTPDJ4QMCGNDVA7FHG

not attested not anchored not stored refs pending

Leptonic dark matter annihilation in the evolving universe: constraints and implications

1), (2) National Astronomical Observatories, (3) Center for High Energy Physics, (4) Theoretical Physics Division, 5) ((1) Key Laboratory of Particle Astrophysics, (5) Theoretical Physics Center for Science Facilities, 6), (6) Graduate University of Chinese Academy of Sciences), Bin Yue (2, Chinese Academy of Science, Chinese Academy of Sciences, Institute of High Energy Physics, Peking University, Qiang Yuan (1, Xiaojun Bi (3, Xinmin Zhang (4, Xuelei Chen (2)

arxiv:0912.2504 v3 · 2009-12-13 · astro-ph.CO · astro-ph.HE · 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{UCYC3X6JWTPDJ4QMCGNDVA7FHG}

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	2026-05-18T02:33:56.708198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0b02ddfc9b4de34f20c119a3a83e539ad740d60a18acc9f35064c9f3f0937d5

Aliases

arxiv: 0912.2504 · arxiv_version: 0912.2504v3 · doi: 10.48550/arxiv.0912.2504 · pith_short_12: UCYC3X6JWTPD · pith_short_16: UCYC3X6JWTPDJ4QM · pith_short_8: UCYC3X6J

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/UCYC3X6JWTPDJ4QMCGNDVA7FHG \
  | 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: a0b02ddfc9b4de34f20c119a3a83e539ad740d60a18acc9f35064c9f3f0937d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36f0f608c2c3365fded7d8f51d30f7c3e67d8986bf8cbe441bc3e60cf6e06f62",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-13T13:36:36Z",
    "title_canon_sha256": "e4e21027f6a994370d48b53b1ff744d138881bf7f42054e47057b0c6be7c703b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.2504",
    "kind": "arxiv",
    "version": 3
  }
}