Pith Number

pith:U7GC4CQF

pith:2002:U7GC4CQFLLOXJQBUYVOCKVCJLF

not attested not anchored not stored refs pending

Space/Time Noncommutativity in String Theories without Background Electric Field

G. De Risi, G. Grignani, M. Orselli

arxiv:hep-th/0211056 v1 · 2002-11-07 · 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{U7GC4CQFLLOXJQBUYVOCKVCJLF}

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	2026-05-18T01:38:49.132253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7cc2e0a055add74c034c55c25544959761138334d5ba70233c46b55ae6a2a81

Aliases

arxiv: hep-th/0211056 · arxiv_version: hep-th/0211056v1 · doi: 10.48550/arxiv.hep-th/0211056 · pith_short_12: U7GC4CQFLLOX · pith_short_16: U7GC4CQFLLOXJQBU · pith_short_8: U7GC4CQF

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/U7GC4CQFLLOXJQBUYVOCKVCJLF \
  | 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: a7cc2e0a055add74c034c55c25544959761138334d5ba70233c46b55ae6a2a81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f42a6506280a4e6fdd49a3809bb154d1c91f0e61a9b32af5cdee8acd1a030b4b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2002-11-07T11:37:17Z",
    "title_canon_sha256": "bceb34c1be01b1e33179d99522f1021fb7da1efe3c94ab4af7e3bb5f37f2096f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0211056",
    "kind": "arxiv",
    "version": 1
  }
}