Pith Number

pith:GHRY4AOR

pith:2001:GHRY4AORPKHOF24QP6WD2GDYCM

not attested not anchored not stored refs pending

The Three-Dimensional Noncommutative Nonlinear Sigma Model in Superspace

A. J. da Silva, A. Yu. Petrov, H. O. Girotti, M. Gomes, V. O. Rivelles

arxiv:hep-th/0109222 v1 · 2001-09-28 · 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{GHRY4AORPKHOF24QP6WD2GDYCM}

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	2026-07-04T16:28:07.235589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31e38e01d17a8ee2eb907fac3d1878132257bb0f306afa5d63ff7f1ccc688375

Aliases

arxiv: hep-th/0109222 · arxiv_version: hep-th/0109222v1 · doi: 10.48550/arxiv.hep-th/0109222 · pith_short_12: GHRY4AORPKHO · pith_short_16: GHRY4AORPKHOF24Q · pith_short_8: GHRY4AOR

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/GHRY4AORPKHOF24QP6WD2GDYCM \
  | 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: 31e38e01d17a8ee2eb907fac3d1878132257bb0f306afa5d63ff7f1ccc688375

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73f51f63bd134c5d6bf191ab8bac7ffccaa5ad1dfa9571ae87f7f86c863a450b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2001-09-28T18:01:49Z",
    "title_canon_sha256": "2120de29660842166217570830a3b16d7ba57c61f4ec1037e34e5a9709b862af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0109222",
    "kind": "arxiv",
    "version": 1
  }
}