Pith Number

pith:SDTJZOMP

pith:2014:SDTJZOMPMVVTW56LY53INPDC64

not attested not anchored not stored refs pending

A simple characterization of generalized Robertson-Walker spacetimes

Bang-Yen Chen

arxiv:1411.0270 v1 · 2014-11-02 · gr-qc · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SDTJZOMPMVVTW56LY53INPDC64}

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	2026-05-18T01:41:36.125428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90e69cb98f656b3b77cbc77686bc62f727ea459f6bfe7d79930582c93ee37df7

Aliases

arxiv: 1411.0270 · arxiv_version: 1411.0270v1 · doi: 10.48550/arxiv.1411.0270 · pith_short_12: SDTJZOMPMVVT · pith_short_16: SDTJZOMPMVVTW56L · pith_short_8: SDTJZOMP

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/SDTJZOMPMVVTW56LY53INPDC64 \
  | 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: 90e69cb98f656b3b77cbc77686bc62f727ea459f6bfe7d79930582c93ee37df7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b54f7252b9f8976dd657df592e57bf98ff75248437469f57d0b12d060ba96c52",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-11-02T15:29:52Z",
    "title_canon_sha256": "26ee5bff908c8abdeba823f1f59e9dfa13a9a1c4eeabb88acc6af21116f4ecd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.0270",
    "kind": "arxiv",
    "version": 1
  }
}