Pith Number

pith:FYABKL4B

pith:2017:FYABKL4B3X23745G3KPUW7WJBK

not attested not anchored not stored refs pending

Embedding FLRW Geometries in Pseudo-Euclidean and Anti-de Sitter Spaces

M. M. Akbar

arxiv:1702.00987 v2 · 2017-02-03 · 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{FYABKL4B3X23745G3KPUW7WJBK}

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	2026-05-18T00:47:03.794784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e00152f81ddf5bff3a6da9f4b7ec90a937dbe0af70d3f041d273398cb092c97

Aliases

arxiv: 1702.00987 · arxiv_version: 1702.00987v2 · doi: 10.48550/arxiv.1702.00987 · pith_short_12: FYABKL4B3X23 · pith_short_16: FYABKL4B3X23745G · pith_short_8: FYABKL4B

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/FYABKL4B3X23745G3KPUW7WJBK \
  | 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: 2e00152f81ddf5bff3a6da9f4b7ec90a937dbe0af70d3f041d273398cb092c97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "347d558ccec931a818281969bf471d82d3639f4c58c380637c2ec65297a91756",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-02-03T12:27:24Z",
    "title_canon_sha256": "2271ea936c99c0f3839ed39fcf034217a892ff2599919a995d0ab474c7c0c203"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.00987",
    "kind": "arxiv",
    "version": 2
  }
}