Pith Number

pith:SFUV7QRM

pith:2020:SFUV7QRMLWWCD6AEPXQJ326Y2Z

not attested not anchored not stored refs pending

An introduction to Lax pairs and the zero curvature representation

Govind S. Krishnaswami, T. R. Vishnu

arxiv:2004.05791 v1 · 2020-04-13 · nlin.SI · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SFUV7QRMLWWCD6AEPXQJ326Y2Z}

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.

Cited by

1 paper in Pith

Jet Bundles as Higher-Order Polarised $k$-Contact Manifolds

Receipt and verification

First computed	2026-07-05T00:56:04.911359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91695fc22c5dac21f8047de09debd8d66cbc6b01ae3109647b3a998318064676

Aliases

arxiv: 2004.05791 · arxiv_version: 2004.05791v1 · doi: 10.48550/arxiv.2004.05791 · pith_short_12: SFUV7QRMLWWC · pith_short_16: SFUV7QRMLWWCD6AE · pith_short_8: SFUV7QRM

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/SFUV7QRMLWWCD6AEPXQJ326Y2Z \
  | 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: 91695fc22c5dac21f8047de09debd8d66cbc6b01ae3109647b3a998318064676

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbd29c76c360486156c0df627b4af3e9e693e762aff7cee6a7b0d4b6f59eaafd",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2020-04-13T06:46:32Z",
    "title_canon_sha256": "db529a3c53c20219ce3540d916deb48073d63e9ab0e67e0436e6e5912d19ba4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.05791",
    "kind": "arxiv",
    "version": 1
  }
}