Pith Number

pith:TDI3SUGN

pith:1997:TDI3SUGNWFS4LXT4ALCV74WSUJ

not attested not anchored not stored refs pending

Lax pair tensors and integrable spacetimes

Kjell Rosquist, Martin Goliath

arxiv:gr-qc/9707003 v1 · 1997-07-02 · gr-qc · 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{TDI3SUGNWFS4LXT4ALCV74WSUJ}

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	2026-05-18T01:39:18.925492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98d1b950cdb165c5de7c02c55ff2d2a274b780ae7b5ded60e6f039fb3bd79c52

Aliases

arxiv: gr-qc/9707003 · arxiv_version: gr-qc/9707003v1 · doi: 10.48550/arxiv.gr-qc/9707003 · pith_short_12: TDI3SUGNWFS4 · pith_short_16: TDI3SUGNWFS4LXT4 · pith_short_8: TDI3SUGN

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/TDI3SUGNWFS4LXT4ALCV74WSUJ \
  | 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: 98d1b950cdb165c5de7c02c55ff2d2a274b780ae7b5ded60e6f039fb3bd79c52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "557bcada27a697580f483725b64a870fec4512f220b57df82ea0059dda163d72",
    "cross_cats_sorted": [
      "nlin.SI",
      "solv-int"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1997-07-02T08:18:39Z",
    "title_canon_sha256": "0705b16c76e514810232d8eb0b4b5d33b6bd4fc7ed4d6fb83c3580363110e76e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9707003",
    "kind": "arxiv",
    "version": 1
  }
}