Pith Number

pith:JVADFEPL

pith:2014:JVADFEPLHPF4A377LGDQJVRSBF

not attested not anchored not stored refs pending

Einstein Spacetimes with Constant Weyl Eigenvalues

Alan Barnes

arxiv:1409.4300 v1 · 2014-09-15 · 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{JVADFEPLHPF4A377LGDQJVRSBF}

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	2026-05-18T02:04:04.713804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d403291eb3bcbc06fff598704d63209645d623e894eec4f201bc0a5ebafef1c

Aliases

arxiv: 1409.4300 · arxiv_version: 1409.4300v1 · doi: 10.48550/arxiv.1409.4300 · pith_short_12: JVADFEPLHPF4 · pith_short_16: JVADFEPLHPF4A377 · pith_short_8: JVADFEPL

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/JVADFEPLHPF4A377LGDQJVRSBF \
  | 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: 4d403291eb3bcbc06fff598704d63209645d623e894eec4f201bc0a5ebafef1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2ab71dc59cdd42535ffc34a49671b56d1e0a69228222c92d99d57c980fe219b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-09-15T15:45:37Z",
    "title_canon_sha256": "5dd577947f05cc86471435ac88a9d4f099d453320f6a958828bc9102446bb98d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4300",
    "kind": "arxiv",
    "version": 1
  }
}