Pith Number

pith:CAQ42HRD

pith:2024:CAQ42HRDNFLNRJG3YYHBR3KE2E

not attested not anchored not stored refs pending

A symplectic Hilbert-Smith conjecture

Egor Shelukhin

arxiv:2403.07195 v2 · 2024-03-11 · math.SG · math.AT · math.DS · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CAQ42HRDNFLNRJG3YYHBR3KE2E}

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	2026-07-05T08:36:46.435446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1021cd1e236956d8a4dbc60e18ed44d106a3b1b1152467663de88a35a044f3d1

Aliases

arxiv: 2403.07195 · arxiv_version: 2403.07195v2 · doi: 10.48550/arxiv.2403.07195 · pith_short_12: CAQ42HRDNFLN · pith_short_16: CAQ42HRDNFLNRJG3 · pith_short_8: CAQ42HRD

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/CAQ42HRDNFLNRJG3YYHBR3KE2E \
  | 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: 1021cd1e236956d8a4dbc60e18ed44d106a3b1b1152467663de88a35a044f3d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b3b0520583198ae353ddafc0acbe891e6d6a78b5e24981ded7bf22443581412",
    "cross_cats_sorted": [
      "math.AT",
      "math.DS",
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2024-03-11T22:36:19Z",
    "title_canon_sha256": "4b3be385d0faa61bb3adad02bef6cb588b140c10662bcf642187c2dd96be67d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.07195",
    "kind": "arxiv",
    "version": 2
  }
}