Pith Number

pith:G6YPGCKF

pith:2018:G6YPGCKFMETBNCJFUUOGP4H62E

not attested not anchored not stored refs pending

On the geometry of the Clairin theory of conditional symmetries for higher-order systems of PDEs with applications

A.M. Grundland, J. de Lucas

arxiv:1807.01610 v2 · 2018-07-04 · math.CA · math-ph · math.DG · math.MP · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G6YPGCKFMETBNCJFUUOGP4H62E}

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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	2026-05-18T00:03:24.327963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37b0f309456126168925a51c67f0fed105366c42c65c3d5e55c799d8eaf60689

Aliases

arxiv: 1807.01610 · arxiv_version: 1807.01610v2 · doi: 10.48550/arxiv.1807.01610 · pith_short_12: G6YPGCKFMETB · pith_short_16: G6YPGCKFMETBNCJF · pith_short_8: G6YPGCKF

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/G6YPGCKFMETBNCJFUUOGP4H62E \
  | 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: 37b0f309456126168925a51c67f0fed105366c42c65c3d5e55c799d8eaf60689

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "407bd25a28190bea85ed1d50bfa0b0c3c0c43c14a359a77dcd67b3f696d5f7c7",
    "cross_cats_sorted": [
      "math-ph",
      "math.DG",
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2018-07-04T14:23:42Z",
    "title_canon_sha256": "e178c593cf665571bd6b3bdce09a740949591aa0fab6f2a908dafbc07312333a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01610",
    "kind": "arxiv",
    "version": 2
  }
}