Pith Number

pith:2MDVGHZ5

pith:2012:2MDVGHZ5A2E56XYXFY3QBPLHWG

not attested not anchored not stored refs pending

Passive Curvaton

Chia-Min Lin

arxiv:1210.3421 v2 · 2012-10-12 · astro-ph.CO · hep-ph · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2MDVGHZ5A2E56XYXFY3QBPLHWG}

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	2026-05-18T01:53:56.426527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d307531f3d0689df5f172e3700bd67b180cd811aae3dff2fc268c2af01cddd4f

Aliases

arxiv: 1210.3421 · arxiv_version: 1210.3421v2 · doi: 10.48550/arxiv.1210.3421 · pith_short_12: 2MDVGHZ5A2E5 · pith_short_16: 2MDVGHZ5A2E56XYX · pith_short_8: 2MDVGHZ5

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/2MDVGHZ5A2E56XYXFY3QBPLHWG \
  | 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: d307531f3d0689df5f172e3700bd67b180cd811aae3dff2fc268c2af01cddd4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a92784dc7731afe71adfc1b87b075470678b5321a806a25fbc5ec04d8fabf06",
    "cross_cats_sorted": [
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-10-12T02:50:21Z",
    "title_canon_sha256": "8459da849499ad67785756550d2b81563c9c524585dbbe408e18ad8ff48435c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.3421",
    "kind": "arxiv",
    "version": 2
  }
}