Pith Number

pith:ZN4WYU7O

pith:2025:ZN4WYU7O35MRCDMBD54JVI7ARD

not attested not anchored not stored refs pending

Singularities of Curve Shortening Flow with Convex Projections

Qi Sun

arxiv:2510.14863 v2 · 2025-10-16 · 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{ZN4WYU7O35MRCDMBD54JVI7ARD}

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	2026-05-22T02:04:37.277371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb796c53eedf59110d811f789aa3e088e7becd7df5ee8a8ada507b2e7b9d7c8b

Aliases

arxiv: 2510.14863 · arxiv_version: 2510.14863v2 · doi: 10.48550/arxiv.2510.14863 · pith_short_12: ZN4WYU7O35MR · pith_short_16: ZN4WYU7O35MRCDMB · pith_short_8: ZN4WYU7O

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/ZN4WYU7O35MRCDMBD54JVI7ARD \
  | 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: cb796c53eedf59110d811f789aa3e088e7becd7df5ee8a8ada507b2e7b9d7c8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91fa9030de7f4cd7c12f1e1ce84b007b6046b0eb5b8f11b46139eb20319b17e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2025-10-16T16:36:46Z",
    "title_canon_sha256": "683fc0edc7346bfe46ad701887a832110c4041d1681741bdf6e9d186c9c13898"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.14863",
    "kind": "arxiv",
    "version": 2
  }
}