Pith Number

pith:KFRHK5B7

pith:2010:KFRHK5B7LWHN2FC4S3HMRJF6SP

not attested not anchored not stored refs pending

Cosmological Limits on Hidden Sector Dark Matter

Kris Sigurdson (UBC), Subinoy Das

arxiv:1012.4458 v2 · 2010-12-20 · 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{KFRHK5B7LWHN2FC4S3HMRJF6SP}

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	2026-05-18T03:59:12.402443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

516275743f5d8edd145c96cec8a4be93cda938b2bb7d06027de1d5b4f0ba65b9

Aliases

arxiv: 1012.4458 · arxiv_version: 1012.4458v2 · doi: 10.48550/arxiv.1012.4458 · pith_short_12: KFRHK5B7LWHN · pith_short_16: KFRHK5B7LWHN2FC4 · pith_short_8: KFRHK5B7

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/KFRHK5B7LWHN2FC4S3HMRJF6SP \
  | 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: 516275743f5d8edd145c96cec8a4be93cda938b2bb7d06027de1d5b4f0ba65b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b70686cf8158a1c61a05c41af05b3cb51833cd471afa6416d3c2e295629326ab",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-12-20T20:41:02Z",
    "title_canon_sha256": "5a83dc6b6ee4427515dd77bc6819a729207991f18e235a51b30e1c4cd7300b42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.4458",
    "kind": "arxiv",
    "version": 2
  }
}