Pith Number

pith:ZOLCCMEM

pith:1998:ZOLCCMEM7IKZRHD47IU6WPH4TI

not attested not anchored not stored refs pending

Curvature-based Gauge-Invariant Perturbation Theory for Gravity: A New Paradigm

Andrew M. Abrahams, Arlen Anderson, Chris Lea

arxiv:gr-qc/9801071 v1 · 1998-01-20 · 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{ZOLCCMEM7IKZRHD47IU6WPH4TI}

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	2026-05-18T04:23:46.817941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb9621308cfa15989c7cfa29eb3cfc9a3e0987176b02e89604964aa7d4595d3d

Aliases

arxiv: gr-qc/9801071 · arxiv_version: gr-qc/9801071v1 · doi: 10.48550/arxiv.gr-qc/9801071 · pith_short_12: ZOLCCMEM7IKZ · pith_short_16: ZOLCCMEM7IKZRHD4 · pith_short_8: ZOLCCMEM

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/ZOLCCMEM7IKZRHD47IU6WPH4TI \
  | 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: cb9621308cfa15989c7cfa29eb3cfc9a3e0987176b02e89604964aa7d4595d3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3a450a0e7e561b6ca7da20dbb256428c46053b6e742b144e64776df44d59528",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1998-01-20T21:58:33Z",
    "title_canon_sha256": "f6eb6f43643ebc6c872e5f1097609620a4df8ac0bee227bf76931257e3521c63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9801071",
    "kind": "arxiv",
    "version": 1
  }
}