Pith Number

pith:USVZFAUJ

pith:1996:USVZFAUJ3RYJXUZE4G6CCJ5EDH

not attested not anchored not stored refs pending

Symmetric Variations of the Metric and Extrema of the Action for Pure Gravity

Simon Davis

arxiv:gr-qc/9608025 v3 · 1996-08-10 · 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{USVZFAUJ3RYJXUZE4G6CCJ5EDH}

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	2026-05-18T01:39:19.318300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4ab928289dc709bd324e1bc2127a419db84c78bca72688478cca1d24497e760

Aliases

arxiv: gr-qc/9608025 · arxiv_version: gr-qc/9608025v3 · doi: 10.48550/arxiv.gr-qc/9608025 · pith_short_12: USVZFAUJ3RYJ · pith_short_16: USVZFAUJ3RYJXUZE · pith_short_8: USVZFAUJ

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/USVZFAUJ3RYJXUZE4G6CCJ5EDH \
  | 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: a4ab928289dc709bd324e1bc2127a419db84c78bca72688478cca1d24497e760

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f14f5194d0c15eaae5a45dd46c6f9202f91950b01f83550324a2658d698939e8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1996-08-10T08:35:54Z",
    "title_canon_sha256": "ca89855d15a817c1af72df4c62b7e27dc1ca73b563632e175b39872bb5ca2f19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9608025",
    "kind": "arxiv",
    "version": 3
  }
}