Pith Number

pith:CI6C2C5H

pith:2010:CI6C2C5H53XPKIHIACE326D4FK

not attested not anchored not stored refs pending

Cold Dark Matter Isocurvature Perturbations: Cosmological Constraints and Applications

Hong Li, Jie Liu, Jun-Qing Xia, Yi-Fu Cai

arxiv:1012.2511 v2 · 2010-12-12 · astro-ph.CO · gr-qc · 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{CI6C2C5H53XPKIHIACE326D4FK}

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	2026-05-18T04:19:02.203000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

123c2d0ba7eeeef520e80089bd787c2ab64fb5cbee68440c17b64866e851bde5

Aliases

arxiv: 1012.2511 · arxiv_version: 1012.2511v2 · doi: 10.48550/arxiv.1012.2511 · pith_short_12: CI6C2C5H53XP · pith_short_16: CI6C2C5H53XPKIHI · pith_short_8: CI6C2C5H

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/CI6C2C5H53XPKIHIACE326D4FK \
  | 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: 123c2d0ba7eeeef520e80089bd787c2ab64fb5cbee68440c17b64866e851bde5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd426fc16872530288941f53a17a94a82777e8eb16eacd9825ef8d81a7fda5aa",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-12-12T06:41:33Z",
    "title_canon_sha256": "19ade28ddab5925d1c5d253623580c6c71cc7069b270206a0bec98130c88baf8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.2511",
    "kind": "arxiv",
    "version": 2
  }
}