Pith Number

pith:SXYF6D5O

pith:2013:SXYF6D5OUGHHAFP7KO2CWK7VQZ

not attested not anchored not stored refs pending

Cosmological Perturbation Theory

Patrick Peter (IAP - France)

arxiv:1303.2509 v2 · 2013-03-11 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SXYF6D5OUGHHAFP7KO2CWK7VQZ}

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	2026-05-18T03:30:55.991491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95f05f0faea18e7015ff53b42b2bf5867a6f4312f9078dd5f3ff78ef09b64316

Aliases

arxiv: 1303.2509 · arxiv_version: 1303.2509v2 · doi: 10.48550/arxiv.1303.2509 · pith_short_12: SXYF6D5OUGHH · pith_short_16: SXYF6D5OUGHHAFP7 · pith_short_8: SXYF6D5O

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/SXYF6D5OUGHHAFP7KO2CWK7VQZ \
  | 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: 95f05f0faea18e7015ff53b42b2bf5867a6f4312f9078dd5f3ff78ef09b64316

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0788cdb8a505d693d679e9df13cea7aacb40705d8e8f0bcef7625f58087db6fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-03-11T13:22:57Z",
    "title_canon_sha256": "2346335d7d343363b834d96f381e44b34ae67cdd1d7e4c9e44db8b002d454f0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2509",
    "kind": "arxiv",
    "version": 2
  }
}