Pith Number

pith:VHAXLCQT

pith:2009:VHAXLCQTQGLBA4YKX5EAAJ3KJP

not attested not anchored not stored refs pending

A natural fuzzyness of de Sitter space-time

Francesco Toppan, Jean-Pierre Gazeau

arxiv:0907.0021 v1 · 2009-06-30 · hep-th · gr-qc · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VHAXLCQTQGLBA4YKX5EAAJ3KJP}

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

Minimal covariant quantum space-time

Receipt and verification

First computed	2026-07-04T17:18:52.247281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9c1758a13819610730abf4800276a4bffffd1f62c6f95a9bd23014dba299d3f

Aliases

arxiv: 0907.0021 · arxiv_version: 0907.0021v1 · doi: 10.48550/arxiv.0907.0021 · pith_short_12: VHAXLCQTQGLB · pith_short_16: VHAXLCQTQGLBA4YK · pith_short_8: VHAXLCQT

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/VHAXLCQTQGLBA4YKX5EAAJ3KJP \
  | 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: a9c1758a13819610730abf4800276a4bffffd1f62c6f95a9bd23014dba299d3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "705ed1e651ef7e32c5645f717da2a462307da2d24a46810750656bf61482c286",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-06-30T20:25:11Z",
    "title_canon_sha256": "90ea05b37f7d79e0b6ef3a0d1f9e1179c0c9ea59ad3d600656772823fa3d44ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.0021",
    "kind": "arxiv",
    "version": 1
  }
}