Pith Number

pith:54VC7G7O

pith:1998:54VC7G7OS3U4NXJZ3OCL5GF7YQ

not attested not anchored not stored refs pending

On a Generalisation of the Poincare-Cartan Form to Classical Field Theory

Dan Radu Grigore

arxiv:math/9801073 v1 · 1998-01-15 · math.DG · 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{54VC7G7OS3U4NXJZ3OCL5GF7YQ}

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	2026-05-18T01:05:34.422250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef2a2f9bee96e9c6dd39db84be98bfc43f0b9930491eb3199c0ce6ecb3fad8d5

Aliases

arxiv: math/9801073 · arxiv_version: math/9801073v1 · doi: 10.48550/arxiv.math/9801073 · pith_short_12: 54VC7G7OS3U4 · pith_short_16: 54VC7G7OS3U4NXJZ · pith_short_8: 54VC7G7O

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/54VC7G7OS3U4NXJZ3OCL5GF7YQ \
  | 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: ef2a2f9bee96e9c6dd39db84be98bfc43f0b9930491eb3199c0ce6ecb3fad8d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c20b4f6bc59e58700a0545ac5c3999fafebe34f7b75a29ad2556bde77396cc73",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "math.DG",
    "submitted_at": "1998-01-15T12:27:54Z",
    "title_canon_sha256": "4bb0eb1230b4503ae8aeb2f0de4a9fd4920b3747c6d8c5563ae4dee0cc7ff391"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9801073",
    "kind": "arxiv",
    "version": 1
  }
}