Pith Number

pith:FEXTGTSU

pith:1999:FEXTGTSU7TRGADCK2IUC4JJTBI

not attested not anchored not stored refs pending

Extremal Curves in 2+1-Dimensional Yang-Mills Theory

Baruch College, CUNY), Gordon W. Semenoff (University of British Columbia), Peter Orland (Graduate Center

arxiv:hep-th/9912009 v2 · 1999-12-01 · 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{FEXTGTSU7TRGADCK2IUC4JJTBI}

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	2026-07-04T16:15:03.608536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

292f334e54fce2600c4ad2282e25330a09885c9733f0b8c29dbc8e9357aa6e7a

Aliases

arxiv: hep-th/9912009 · arxiv_version: hep-th/9912009v2 · doi: 10.48550/arxiv.hep-th/9912009 · pith_short_12: FEXTGTSU7TRG · pith_short_16: FEXTGTSU7TRGADCK · pith_short_8: FEXTGTSU

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/FEXTGTSU7TRGADCK2IUC4JJTBI \
  | 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: 292f334e54fce2600c4ad2282e25330a09885c9733f0b8c29dbc8e9357aa6e7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4eaeed41b03fe96d36f0a2d2c5c298260bf568903916fed16a3245480a36a28f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1999-12-01T19:00:25Z",
    "title_canon_sha256": "12480659c541dd4891851fc9348bda7b75ab60348b03cf85584e6e12f16e76d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9912009",
    "kind": "arxiv",
    "version": 2
  }
}