Pith Number

pith:VPK6WZR6

pith:1997:VPK6WZR6JFZJ6GSKDRSXEKRID7

not attested not anchored not stored refs pending

The Ostrogradsky Method for Local Symmetries. Constrained Theories with Higher Derivatives

N.P.Chitaia, S.A.Gogilidze, Yu.S.Surovtsev

arxiv:hep-th/9706202 v1 · 1997-06-27 · 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{VPK6WZR6JFZJ6GSKDRSXEKRID7}

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	2026-05-18T01:38:37.317172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abd5eb663e49729f1a4a1c65722a281fc1eb513cbdc0344580ea7bd5cd959e4b

Aliases

arxiv: hep-th/9706202 · arxiv_version: hep-th/9706202v1 · doi: 10.48550/arxiv.hep-th/9706202 · pith_short_12: VPK6WZR6JFZJ · pith_short_16: VPK6WZR6JFZJ6GSK · pith_short_8: VPK6WZR6

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/VPK6WZR6JFZJ6GSKDRSXEKRID7 \
  | 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: abd5eb663e49729f1a4a1c65722a281fc1eb513cbdc0344580ea7bd5cd959e4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca5f699fc41e521ad788da6ac9c5cd335002d32dcddf169b613a4a7bff879a27",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1997-06-27T17:20:25Z",
    "title_canon_sha256": "9ef1cfb3d4d066815228d17518a22bd2dbc6839b131ff496e7abe676a58e2c23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9706202",
    "kind": "arxiv",
    "version": 1
  }
}