Pith Number

pith:WV4FQVN4

pith:1995:WV4FQVN4M42MBMIGIALJR6E6KY

not attested not anchored not stored refs pending

A Groenewold-Van Hove Theorem for S^2

C.A. Hurst, Hendrik Grundling, Mark J. Gotay

arxiv:dg-ga/9502008 v1 · 1995-02-23 · dg-ga · hep-th · math.DG · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WV4FQVN4M42MBMIGIALJR6E6KY}

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	2026-05-18T01:06:48.687433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5785855bc6734c0b106401698f89e561f5166763a586b940bee683d6ada591c

Aliases

arxiv: dg-ga/9502008 · arxiv_version: dg-ga/9502008v1 · doi: 10.48550/arxiv.dg-ga/9502008 · pith_short_12: WV4FQVN4M42M · pith_short_16: WV4FQVN4M42MBMIG · pith_short_8: WV4FQVN4

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/WV4FQVN4M42MBMIGIALJR6E6KY \
  | 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: b5785855bc6734c0b106401698f89e561f5166763a586b940bee683d6ada591c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdb6497cc628677ccc77d9cf3ca9476106482be2ff655552edcf32e96f843e2d",
    "cross_cats_sorted": [
      "hep-th",
      "math.DG",
      "quant-ph"
    ],
    "license": "",
    "primary_cat": "dg-ga",
    "submitted_at": "1995-02-23T03:38:28Z",
    "title_canon_sha256": "cde8ca57d1922a0ca13f9c5b0e6afee094f181edc3f2c845e120cb8c202f45e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "dg-ga/9502008",
    "kind": "arxiv",
    "version": 1
  }
}