Pith Number

pith:ABVLE3YQ

pith:1993:ABVLE3YQC5V64FI4JZ5J5ITCRE

not attested not anchored not stored refs pending

Integrals of Motion in the Two Killing Vector Reduction of General Relativity

Bill Spence, Nenad Manojlovi\'c

arxiv:gr-qc/9308021 v1 · 1993-08-20 · 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{ABVLE3YQC5V64FI4JZ5J5ITCRE}

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	2026-05-18T04:37:57.477571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

006ab26f10176bee151c4e7a9ea26289170310680e6e6817995b272ae4931db0

Aliases

arxiv: gr-qc/9308021 · arxiv_version: gr-qc/9308021v1 · doi: 10.48550/arxiv.gr-qc/9308021 · pith_short_12: ABVLE3YQC5V6 · pith_short_16: ABVLE3YQC5V64FI4 · pith_short_8: ABVLE3YQ

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/ABVLE3YQC5V64FI4JZ5J5ITCRE \
  | 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: 006ab26f10176bee151c4e7a9ea26289170310680e6e6817995b272ae4931db0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba7976dbe70f5eeb2ab07c5c61c5424b44911026060334c50c09d69fc3e536a7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1993-08-20T20:58:00Z",
    "title_canon_sha256": "a684e888a6bb254a30ce76dc8efb4e1fc0bc473cba14c2b4d4000f91d568f15f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9308021",
    "kind": "arxiv",
    "version": 1
  }
}