Pith Number

pith:JXPDUF5A

pith:2002:JXPDUF5AIQMPPXUDUF6O5BGKUZ

not attested not anchored not stored refs pending

On Noncommutativity in String Theory and D-Branes

Dimitri Polyakov, Masud Chaichian

arxiv:hep-th/0202209 v2 · 2002-02-28 · 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{JXPDUF5AIQMPPXUDUF6O5BGKUZ}

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	2026-05-18T01:05:59.659905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4dde3a17a04418f7de83a17cee84caa64cc2f83d5fa12f536de723f6b8ba89a7

Aliases

arxiv: hep-th/0202209 · arxiv_version: hep-th/0202209v2 · doi: 10.48550/arxiv.hep-th/0202209 · pith_short_12: JXPDUF5AIQMP · pith_short_16: JXPDUF5AIQMPPXUD · pith_short_8: JXPDUF5A

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/JXPDUF5AIQMPPXUDUF6O5BGKUZ \
  | 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: 4dde3a17a04418f7de83a17cee84caa64cc2f83d5fa12f536de723f6b8ba89a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7eee9fa97b1c105e95f6c3f254c816e03fd99b90558b752ce3d4f22ad31efff",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2002-02-28T18:01:39Z",
    "title_canon_sha256": "2f78a2ebd735604d69802eb1c798b5e98fc062628512bc0e28a4e5642f056594"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0202209",
    "kind": "arxiv",
    "version": 2
  }
}