pith. sign in
Pith Number

pith:63GTXLRJ

pith:2002:63GTXLRJPJ6R4W5ZVOEW7BQR3P
not attested not anchored not stored refs pending

Noncommutativity in a Time-Dependent Background

Chiara R. Nappi, Louise Dolan

arxiv:hep-th/0210030 v3 · 2002-10-03 · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{63GTXLRJPJ6R4W5ZVOEW7BQR3P}

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 2026-05-18T04:35:58.126005Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f6cd3bae297a7d1e5bb9ab896f8611dbd79589320557305c95e5c6c5b98f358f

Aliases

arxiv: hep-th/0210030 · arxiv_version: hep-th/0210030v3 · doi: 10.48550/arxiv.hep-th/0210030 · pith_short_12: 63GTXLRJPJ6R · pith_short_16: 63GTXLRJPJ6R4W5Z · pith_short_8: 63GTXLRJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/63GTXLRJPJ6R4W5ZVOEW7BQR3P \
  | 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: f6cd3bae297a7d1e5bb9ab896f8611dbd79589320557305c95e5c6c5b98f358f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "be945a3a1a0f2b0a8f49faf09a05d15dff34b2d2c6df1c250692677a9da8dd1e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2002-10-03T17:53:21Z",
    "title_canon_sha256": "dfda28c6b24fb161922be3b08ef2b8e1db72ec5e3941b6541f4a88a6ff64c17c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0210030",
    "kind": "arxiv",
    "version": 3
  }
}