Pith Number

pith:6J3K4GWG

pith:2006:6J3K4GWGGJTEEBTDWDGHVS5IXK

not attested not anchored not stored refs pending

Noncommutative spacetime symmetries: Twist versus covariance

Fedele Lizzi, F. Ruiz Ruiz, J.M. Gracia-Bondia, Patrizia Vitale

arxiv:hep-th/0604206 v2 · 2006-04-27 · 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{6J3K4GWGGJTEEBTDWDGHVS5IXK}

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	2026-05-18T02:35:39.058008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f276ae1ac63266420663b0cc7acba8bab506ff6e026945b91ff8db7d2696c78a

Aliases

arxiv: hep-th/0604206 · arxiv_version: hep-th/0604206v2 · doi: 10.48550/arxiv.hep-th/0604206 · pith_short_12: 6J3K4GWGGJTE · pith_short_16: 6J3K4GWGGJTEEBTD · pith_short_8: 6J3K4GWG

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/6J3K4GWGGJTEEBTDWDGHVS5IXK \
  | 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: f276ae1ac63266420663b0cc7acba8bab506ff6e026945b91ff8db7d2696c78a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61bf00d1d3615c70690a8f5dfef57e4cbe641b2c7b923e40ea1e5875ca55017b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2006-04-27T18:33:19Z",
    "title_canon_sha256": "8f843c76183a398a8b115ea39ee8701334a15c3fff3613a0c67aca01ea9f25e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0604206",
    "kind": "arxiv",
    "version": 2
  }
}