Pith Number

pith:4SBKUXOT

pith:1993:4SBKUXOTQJ7I2ZVYXP5PZKBWLE

not attested not anchored not stored refs pending

Two-Dimensional Integrable Systems and Self-Dual Yang-Mills Equations

Francisco Guil, Manuel Ma\~nas

arxiv:hep-th/9307021 v2 · 1993-07-04 · hep-th · nlin.SI · solv-int

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4SBKUXOTQJ7I2ZVYXP5PZKBWLE}

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	2026-05-18T04:17:35.703652Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e482aa5dd3827e8d66b8bbfafca836591c47f69f08d4aa55f052af52c9b586ff

Aliases

arxiv: hep-th/9307021 · arxiv_version: hep-th/9307021v2 · doi: 10.48550/arxiv.hep-th/9307021 · pith_short_12: 4SBKUXOTQJ7I · pith_short_16: 4SBKUXOTQJ7I2ZVY · pith_short_8: 4SBKUXOT

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/4SBKUXOTQJ7I2ZVYXP5PZKBWLE \
  | 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: e482aa5dd3827e8d66b8bbfafca836591c47f69f08d4aa55f052af52c9b586ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "805a906e668abec8a30ab5813eb44137ea0488369d89f2000cb6d6c894145c1a",
    "cross_cats_sorted": [
      "nlin.SI",
      "solv-int"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1993-07-04T18:05:15Z",
    "title_canon_sha256": "d89ff03ac12e9367b9b5cf3a8abbc3ac245cd0c6614d9364f76eee0b8b6e5be1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9307021",
    "kind": "arxiv",
    "version": 2
  }
}