Pith Number

pith:MWCDQKZG

pith:2019:MWCDQKZGXUERYY2Z4TCIVZYO2K

not attested not anchored not stored refs pending

The $\kappa$-(A)dS noncommutative spacetime

Angel Ballesteros, Francisco J. Herranz, Ivan Gutierrez-Sagredo

arxiv:1905.12358 v2 · 2019-05-29 · math-ph · gr-qc · hep-th · math.MP · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MWCDQKZGXUERYY2Z4TCIVZYO2K}

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	2026-05-17T23:40:10.757969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6584382b26bd091c6359e4c48ae70ed29f6b23bceda7de560f3e3f4546b3faea

Aliases

arxiv: 1905.12358 · arxiv_version: 1905.12358v2 · doi: 10.48550/arxiv.1905.12358 · pith_short_12: MWCDQKZGXUER · pith_short_16: MWCDQKZGXUERYY2Z · pith_short_8: MWCDQKZG

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/MWCDQKZGXUERYY2Z4TCIVZYO2K \
  | 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: 6584382b26bd091c6359e4c48ae70ed29f6b23bceda7de560f3e3f4546b3faea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18111b03c7ff99c3b586f3932d3da2715c56514433d89700a8725c49ff66ab65",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th",
      "math.MP",
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2019-05-29T12:06:40Z",
    "title_canon_sha256": "04f9117f9d824637d79781638a3e57a9a0b0095bddc74c54cd07863d6b859db1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.12358",
    "kind": "arxiv",
    "version": 2
  }
}