Pith Number

pith:GMFC3TIS

pith:2007:GMFC3TISTGK23RTLK27D2OYZDV

not attested not anchored not stored refs pending

The symplectic 2-form and Poisson bracket of null canonical gravity

Michael P. Reisenberger

arxiv:gr-qc/0703134 v1 · 2007-03-27 · 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{GMFC3TISTGK23RTLK27D2OYZDV}

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

3 papers in Pith

Quantization of Gravity on Null Hypersurfaces

Localization and anomalous reference frames in gravity

Gravitational null rays: Covariant Quantization and the Dressing Time

Receipt and verification

First computed	2026-07-04T15:00:32.154332Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

330a2dcd129995adc66b56be3d3b191d565f90efb80bb7dab5f9ad76edad0cc4

Aliases

arxiv: gr-qc/0703134 · arxiv_version: gr-qc/0703134v1 · doi: 10.48550/arxiv.gr-qc/0703134 · pith_short_12: GMFC3TISTGK2 · pith_short_16: GMFC3TISTGK23RTL · pith_short_8: GMFC3TIS

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/GMFC3TISTGK23RTLK27D2OYZDV \
  | 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: 330a2dcd129995adc66b56be3d3b191d565f90efb80bb7dab5f9ad76edad0cc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e53c502379f34acdd430e2241fd088413dfba6a5938bc6bb69b82b9f95dd6dc0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-03-27T19:47:49Z",
    "title_canon_sha256": "a5a3f1c1af44966ab4a9fd161187c5cac277f2d6571fb8e767ade0f821edf007"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0703134",
    "kind": "arxiv",
    "version": 1
  }
}