Pith Number

pith:YTNNNFZQ

pith:1993:YTNNNFZQO5XPDPBO7Q7Q2AFINN

not attested not anchored not stored refs pending

Ashtekar Variables in Classical General Realtivity

Domenico Giulini

arxiv:gr-qc/9312032 v2 · 1993-12-21 · 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{YTNNNFZQO5XPDPBO7Q7Q2AFINN}

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.

Cited by

1 paper in Pith

Canonical analysis of unimodular Pleba\'nski gravity

Receipt and verification

First computed	2026-07-04T15:55:39.589607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4dad69730776ef1bc2efc3f0d00a86b69ff89c7ad287f95fedb576c8e2650b1

Aliases

arxiv: gr-qc/9312032 · arxiv_version: gr-qc/9312032v2 · doi: 10.48550/arxiv.gr-qc/9312032 · pith_short_12: YTNNNFZQO5XP · pith_short_16: YTNNNFZQO5XPDPBO · pith_short_8: YTNNNFZQ

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/YTNNNFZQO5XPDPBO7Q7Q2AFINN \
  | 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: c4dad69730776ef1bc2efc3f0d00a86b69ff89c7ad287f95fedb576c8e2650b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5af0f1e79409557a77150cd19b364c4495fb1be611ff16be2ef136286473a5c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1993-12-21T19:29:43Z",
    "title_canon_sha256": "1ce2938c35ee9b1d604bb565a9672a0b045525679374d069e78e102e9a8c3d1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9312032",
    "kind": "arxiv",
    "version": 2
  }
}