Pith Number

pith:HFVTHYIH

pith:2008:HFVTHYIH6IKHSSBAJM2D53DQTW

not attested not anchored not stored refs pending

Realistic sterile neutrino dark matter with keV mass does not contradict cosmological bounds

Alexey Boyarsky, Julien Lesgourgues, Matteo Viel, Oleg Ruchayskiy

arxiv:0812.3256 v1 · 2008-12-17 · hep-ph · astro-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{HFVTHYIH6IKHSSBAJM2D53DQTW}

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	2026-07-04T15:45:14.326086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

396b33e107f2147948204b343eec709da8d6ec1ce9f5bda662a83e31239a7e2b

Aliases

arxiv: 0812.3256 · arxiv_version: 0812.3256v1 · doi: 10.48550/arxiv.0812.3256 · pith_short_12: HFVTHYIH6IKH · pith_short_16: HFVTHYIH6IKHSSBA · pith_short_8: HFVTHYIH

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/HFVTHYIH6IKHSSBAJM2D53DQTW \
  | 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: 396b33e107f2147948204b343eec709da8d6ec1ce9f5bda662a83e31239a7e2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f710cf9a4309acd780bde22c938679e6be67f4a06bfd7973d3ddb8b803bc1778",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2008-12-17T13:23:29Z",
    "title_canon_sha256": "928567dac63ec09fbe25a7dedd479661eb7d55906f493fa7a570327de91b5438"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.3256",
    "kind": "arxiv",
    "version": 1
  }
}