Pith Number

pith:U4TEZRQT

pith:2008:U4TEZRQTXX7DKZDKRBTKW2FHWX

not attested not anchored not stored refs pending

Noncommutative Differential Forms on the kappa-deformed Space

Sasa Kresic-Juric, Stjepan Meljanac

arxiv:0812.4571 v2 · 2008-12-24 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U4TEZRQTXX7DKZDKRBTKW2FHWX}

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	2026-05-18T02:35:08.552890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7264cc613bdfe35646a8866ab68a7b5f70030c2fd690c8296a4146b5c579e48

Aliases

arxiv: 0812.4571 · arxiv_version: 0812.4571v2 · doi: 10.48550/arxiv.0812.4571 · pith_short_12: U4TEZRQTXX7D · pith_short_16: U4TEZRQTXX7DKZDK · pith_short_8: U4TEZRQT

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/U4TEZRQTXX7DKZDKRBTKW2FHWX \
  | 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: a7264cc613bdfe35646a8866ab68a7b5f70030c2fd690c8296a4146b5c579e48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f69ae4dcecbeb6c6808c6357889ec983747d5ad064a23d288eff789a4b4e134",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2008-12-24T20:18:23Z",
    "title_canon_sha256": "4c955292352350f544ce6f618ae0c47e6b2df9bc336420e587f298a252758427"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.4571",
    "kind": "arxiv",
    "version": 2
  }
}