Pith Number

pith:LUICEDOS

pith:2012:LUICEDOSGLPYDRJ5NZBYOTRSJE

not attested not anchored not stored refs pending

Relativistic cosmological perturbation scheme on a general background: scalar perturbations for irrotational dust

Thomas Buchert, Xavier Roy

arxiv:1202.5766 v2 · 2012-02-26 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LUICEDOSGLPYDRJ5NZBYOTRSJE}

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	2026-05-18T03:55:57.212978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d10220dd232df81c53d6e43874e32491137645b5f04c4ece366cbd8b14c04cb

Aliases

arxiv: 1202.5766 · arxiv_version: 1202.5766v2 · doi: 10.48550/arxiv.1202.5766 · pith_short_12: LUICEDOSGLPY · pith_short_16: LUICEDOSGLPYDRJ5 · pith_short_8: LUICEDOS

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/LUICEDOSGLPYDRJ5NZBYOTRSJE \
  | 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: 5d10220dd232df81c53d6e43874e32491137645b5f04c4ece366cbd8b14c04cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54d0a839c5cc757d180b73d3eba8ca7feadab3d9cd9096a566639bf157f9bb0c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-02-26T15:46:28Z",
    "title_canon_sha256": "1ed0fe473f6abc2dd3d66c55a45b9ef6dac3e8343f3da489db2b88b5cc6390f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5766",
    "kind": "arxiv",
    "version": 2
  }
}