Pith Number

pith:BZRQV3UC

pith:2025:BZRQV3UC4ST4G4R4DK6ECTE7UJ

not attested not anchored not stored refs pending

Effective normalization of sub-Riemannian connections

Erlend Grong, Jan Slovak

arxiv:2508.00108 v2 · 2025-07-31 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BZRQV3UC4ST4G4R4DK6ECTE7UJ}

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	2026-05-20T01:06:05.461786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e630aee82e4a7c3723c1abc414c9fa25b149af5fc99430a40f592925ac7f612

Aliases

arxiv: 2508.00108 · arxiv_version: 2508.00108v2 · doi: 10.48550/arxiv.2508.00108 · pith_short_12: BZRQV3UC4ST4 · pith_short_16: BZRQV3UC4ST4G4R4 · pith_short_8: BZRQV3UC

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/BZRQV3UC4ST4G4R4DK6ECTE7UJ \
  | 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: 0e630aee82e4a7c3723c1abc414c9fa25b149af5fc99430a40f592925ac7f612

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "944cff13a0a1a7b8223dd1157528bfb9359d1679b51fcb498ee2854d58e3713b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2025-07-31T19:00:01Z",
    "title_canon_sha256": "8dda190d7da0cf6a3a7f93f122daf85b95873cac896062eb783dc4bf10a4b86c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.00108",
    "kind": "arxiv",
    "version": 2
  }
}