Pith Number

pith:O7BH73PX

pith:2013:O7BH73PXWFJPDEQPCYK4TWQOF6

not attested not anchored not stored refs pending

$R$-transforms for Sobolev $H^2$-metrics on spaces of plane curves

Martin Bauer, Martins Bruveris, Peter W. Michor

arxiv:1311.3526 v1 · 2013-11-14 · math.DG · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O7BH73PXWFJPDEQPCYK4TWQOF6}

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	2026-05-18T01:27:15.430287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77c27fedf7b152f1920f1615c9da0e2f9dc455e80a52df44190978e223d09c4d

Aliases

arxiv: 1311.3526 · arxiv_version: 1311.3526v1 · doi: 10.48550/arxiv.1311.3526 · pith_short_12: O7BH73PXWFJP · pith_short_16: O7BH73PXWFJPDEQP · pith_short_8: O7BH73PX

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/O7BH73PXWFJPDEQPCYK4TWQOF6 \
  | 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: 77c27fedf7b152f1920f1615c9da0e2f9dc455e80a52df44190978e223d09c4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e112c2d7275fd44d882db3b0753a94dae0aee20420aea8b5ed373b4a101aa8d",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-11-14T15:07:50Z",
    "title_canon_sha256": "5d40fc2f09faafbebf04495d3aa2e2c937c61020ad79fe2dd26b5637df938c26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.3526",
    "kind": "arxiv",
    "version": 1
  }
}