Pith Number

pith:PMVRLM6N

pith:2014:PMVRLM6NI5O7IS7DY7MYF3RT4X

not attested not anchored not stored refs pending

A (2+1) non-commutative Drinfel'd double spacetime with cosmological constant

Angel Ballesteros, Catherine Meusburger, Francisco J. Herranz

arxiv:1402.2884 v2 · 2014-02-12 · math-ph · gr-qc · hep-th · 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{PMVRLM6NI5O7IS7DY7MYF3RT4X}

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	2026-05-18T02:45:04.383567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b2b15b3cd475df44be3c7d982ee33e5cca06fe80143fede3288dce314a00d59

Aliases

arxiv: 1402.2884 · arxiv_version: 1402.2884v2 · doi: 10.48550/arxiv.1402.2884 · pith_short_12: PMVRLM6NI5O7 · pith_short_16: PMVRLM6NI5O7IS7D · pith_short_8: PMVRLM6N

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/PMVRLM6NI5O7IS7DY7MYF3RT4X \
  | 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: 7b2b15b3cd475df44be3c7d982ee33e5cca06fe80143fede3288dce314a00d59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f30b8a315b21276d9b3902cfc235d2ddc5790edbbbaeccdfd17c06cf74b06172",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2014-02-12T16:35:51Z",
    "title_canon_sha256": "d6fa8def5ae0e9b614fef0b8aa248293eca922487f6dd893cb7b4107ac2a6d9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.2884",
    "kind": "arxiv",
    "version": 2
  }
}