Pith Number

pith:XSXCNFCU

pith:2013:XSXCNFCUGRYUP3VTSNFJNRYLFK

not attested not anchored not stored refs pending

Interpretation of the Weyl tensor

Florian Niedermann, Robert Schneider, Stefan Hofmann

arxiv:1308.0010 v2 · 2013-07-31 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XSXCNFCUGRYUP3VTSNFJNRYLFK}

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	2026-05-18T03:09:11.517709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcae269454347147eeb3934a96c70b2abed0fc69c76c997e080d46cd6a44cce3

Aliases

arxiv: 1308.0010 · arxiv_version: 1308.0010v2 · doi: 10.48550/arxiv.1308.0010 · pith_short_12: XSXCNFCUGRYU · pith_short_16: XSXCNFCUGRYUP3VT · pith_short_8: XSXCNFCU

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/XSXCNFCUGRYUP3VTSNFJNRYLFK \
  | 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: bcae269454347147eeb3934a96c70b2abed0fc69c76c997e080d46cd6a44cce3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2826519839befe1d9fd02c961ea05b374a6455a7d2a5a8db1d5803f1902aad8a",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-07-31T20:00:01Z",
    "title_canon_sha256": "2a7bcacf675864ddd38e87e217d65ce8e7e44db7db6fd827ce006a71784334e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0010",
    "kind": "arxiv",
    "version": 2
  }
}