Pith Number

pith:QOF24BKU

pith:2013:QOF24BKUHXI54GXPXUXHRWOAGJ

not attested not anchored not stored refs pending

Perturbations of Kantowski-Sachs models with a cosmological constant

L\'aszl\'o \'A. Gergely, Mats Forsberg, Michael Bradley, Peter K.S. Dunsby, Zolt\'an Keresztes

arxiv:1304.1010 v1 · 2013-04-03 · 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{QOF24BKUHXI54GXPXUXHRWOAGJ}

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	2026-05-18T02:43:02.672088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

838bae05543dd1de1aefbd2e78d9c0326839e7f75f6a61a50747e4f48f9e580c

Aliases

arxiv: 1304.1010 · arxiv_version: 1304.1010v1 · doi: 10.48550/arxiv.1304.1010 · pith_short_12: QOF24BKUHXI5 · pith_short_16: QOF24BKUHXI54GXP · pith_short_8: QOF24BKU

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/QOF24BKUHXI54GXPXUXHRWOAGJ \
  | 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: 838bae05543dd1de1aefbd2e78d9c0326839e7f75f6a61a50747e4f48f9e580c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e554c46deac2eb2905a1042af2ae752167857cffaed04d8c62a3ff74349e0acd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-04-03T16:51:37Z",
    "title_canon_sha256": "eb61751a783d4171ebffa2f7574d82b8514000ba7fe131aa528c2c63e632a084"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1010",
    "kind": "arxiv",
    "version": 1
  }
}