Pith Number

pith:OZCWXFQU

pith:2026:OZCWXFQUGUIFZNNUCK5RY3R2JX

not attested not anchored not stored refs pending

Length-constrained curve diffusion flow for open curves with endpoints on two intersecting lines

Qiyuan Cheng, Shunzi Guo

arxiv:2606.01484 v1 · 2026-05-31 · 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{OZCWXFQUGUIFZNNUCK5RY3R2JX}

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	2026-06-02T02:04:34.573524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76456b961435105cb5b412bb1c6e3a4dcae7d3491cf23cae226a856b5ee0445f

Aliases

arxiv: 2606.01484 · arxiv_version: 2606.01484v1 · doi: 10.48550/arxiv.2606.01484 · pith_short_12: OZCWXFQUGUIF · pith_short_16: OZCWXFQUGUIFZNNU · pith_short_8: OZCWXFQU

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/OZCWXFQUGUIFZNNUCK5RY3R2JX \
  | 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: 76456b961435105cb5b412bb1c6e3a4dcae7d3491cf23cae226a856b5ee0445f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d142e58a0168101b8a418cc93745cc7d055e59916f2c6fe55c55ac877d9a707",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2026-05-31T22:56:41Z",
    "title_canon_sha256": "107757413eeff2dd8ba430dcf7875232efff6b88a58e79544ecd92537b58dd89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.01484",
    "kind": "arxiv",
    "version": 1
  }
}