Pith Number

pith:J5HJ7AZV

pith:2010:J5HJ7AZVR4PFWUUDX3UDGHCDP7

not attested not anchored not stored refs pending

On the regularization of the constraints algebra of Quantum Gravity in 2+1 dimensions with non-vanishing cosmological constant

Alejandro Perez, Daniele Pranzetti

arxiv:1001.3292 v2 · 2010-01-19 · 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{J5HJ7AZVR4PFWUUDX3UDGHCDP7}

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	2026-05-18T02:33:49.492922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f4e9f83358f1e5b5283bee8331c437fd1d9c1350f2da967b6770eedcc483437

Aliases

arxiv: 1001.3292 · arxiv_version: 1001.3292v2 · doi: 10.48550/arxiv.1001.3292 · pith_short_12: J5HJ7AZVR4PF · pith_short_16: J5HJ7AZVR4PFWUUD · pith_short_8: J5HJ7AZV

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/J5HJ7AZVR4PFWUUDX3UDGHCDP7 \
  | 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: 4f4e9f83358f1e5b5283bee8331c437fd1d9c1350f2da967b6770eedcc483437

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2750e8d3f67b6f77b1aab9290282f0ea7ff9e1b432ed197015d32dad2318cc1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-01-19T13:14:02Z",
    "title_canon_sha256": "0bfd29a5f7821456648e385cad301ccc6ae527491039f6fe657de0e0f08de429"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.3292",
    "kind": "arxiv",
    "version": 2
  }
}