Pith Number

pith:P6H4QAAK

pith:2024:P6H4QAAK6AP33WXBGQGPBFZHNW

not attested not anchored not stored refs pending

Deforming Locally Convex Curves into Curves of Constant $k$-order Width

Deyan Zhang, Horst Martini, Laiyuan Gao

arxiv:2404.05267 v1 · 2024-04-08 · 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{P6H4QAAK6AP33WXBGQGPBFZHNW}

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	2026-07-05T08:05:28.282638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f8fc8000af01fbddae1340cf097276d8ef85a567f9eb615c40b9afa67242303

Aliases

arxiv: 2404.05267 · arxiv_version: 2404.05267v1 · doi: 10.48550/arxiv.2404.05267 · pith_short_12: P6H4QAAK6AP3 · pith_short_16: P6H4QAAK6AP33WXB · pith_short_8: P6H4QAAK

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/P6H4QAAK6AP33WXBGQGPBFZHNW \
  | 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: 7f8fc8000af01fbddae1340cf097276d8ef85a567f9eb615c40b9afa67242303

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdfdd08cc4a15584c10111fcc94f1a4877980c981c789ceac3c8ce1700bb1625",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2024-04-08T07:56:34Z",
    "title_canon_sha256": "b9148584ce0ea495598c28de57857d341dbfc5da505f76c2b3f63b5dbaf010af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.05267",
    "kind": "arxiv",
    "version": 1
  }
}