Pith Number

pith:GXQURJRM

pith:2016:GXQURJRM7LQOL622TGJBSXOGUG

not attested not anchored not stored refs pending

On the Weyl and Ricci tensors of Generalized Robertson-Walker space-times

Carlo Alberto Mantica, Luca Guido Molinari

arxiv:1608.01209 v1 · 2016-08-03 · math-ph · gr-qc · math.DG · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GXQURJRM7LQOL622TGJBSXOGUG}

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	2026-05-18T01:01:41.822165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35e148a62cfae0e5fb5a9992195dc6a19c79ebdf7399a73d108568770721883a

Aliases

arxiv: 1608.01209 · arxiv_version: 1608.01209v1 · doi: 10.48550/arxiv.1608.01209 · pith_short_12: GXQURJRM7LQO · pith_short_16: GXQURJRM7LQOL622 · pith_short_8: GXQURJRM

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/GXQURJRM7LQOL622TGJBSXOGUG \
  | 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: 35e148a62cfae0e5fb5a9992195dc6a19c79ebdf7399a73d108568770721883a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e3b8499a7f95d1811733948c4d15a61d2ed8356fb332ef7753f755646e9a79f",
    "cross_cats_sorted": [
      "gr-qc",
      "math.DG",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2016-08-03T14:52:38Z",
    "title_canon_sha256": "5cf10d86be2567cf48a3af693662458f84cf193fefd6a4ba38b91c1b6e106a1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.01209",
    "kind": "arxiv",
    "version": 1
  }
}