Pith Number

pith:XSHEKTG3

pith:2002:XSHEKTG35L3MEJ6VO7B37UJ5HG

not attested not anchored not stored refs pending

Instantons on General Noncommutative R^4

Chuan-Jie Zhu, Yu Tian

arxiv:hep-th/0205110 v2 · 2002-05-13 · 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{XSHEKTG35L3MEJ6VO7B37UJ5HG}

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	2026-05-18T00:25:46.244214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc8e454cdbeaf6c227d577c3bfd13d398782e8568f2ba48dfbbceee18e77dcf3

Aliases

arxiv: hep-th/0205110 · arxiv_version: hep-th/0205110v2 · doi: 10.48550/arxiv.hep-th/0205110 · pith_short_12: XSHEKTG35L3M · pith_short_16: XSHEKTG35L3MEJ6V · pith_short_8: XSHEKTG3

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/XSHEKTG35L3MEJ6VO7B37UJ5HG \
  | 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: bc8e454cdbeaf6c227d577c3bfd13d398782e8568f2ba48dfbbceee18e77dcf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8230c93e58904dfe7a918d2dbc60fea51508420dc8daf859a57bf405b1d521b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2002-05-13T08:03:53Z",
    "title_canon_sha256": "67047fbaa22e45ea07ea8c2bd2b26171fd757f21150890e51aeb9f18fddd5fcd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0205110",
    "kind": "arxiv",
    "version": 2
  }
}