Pith Number

pith:TYC2IHMB

pith:2020:TYC2IHMBGBRL3RS2LFZ4VLKW2Y

not attested not anchored not stored refs pending

Bounded Diameter Under Mean Curvature Flow

Wenkui Du

arxiv:2004.03769 v1 · 2020-04-08 · 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{TYC2IHMBGBRL3RS2LFZ4VLKW2Y}

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	2026-07-05T00:53:56.060616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e05a41d813062bdc65a5973caad56d625e74f15f2aac8749d357b71e5ae2bbf

Aliases

arxiv: 2004.03769 · arxiv_version: 2004.03769v1 · doi: 10.48550/arxiv.2004.03769 · pith_short_12: TYC2IHMBGBRL · pith_short_16: TYC2IHMBGBRL3RS2 · pith_short_8: TYC2IHMB

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/TYC2IHMBGBRL3RS2LFZ4VLKW2Y \
  | 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: 9e05a41d813062bdc65a5973caad56d625e74f15f2aac8749d357b71e5ae2bbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b2da60294d21de5fa1bb2e2ac55ca60ef10b246c13289d145aea79c4b860ecc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2020-04-08T01:46:17Z",
    "title_canon_sha256": "a3c0e0250a6cbaf2a13296712062278ee1d7ed21f81dff12917b4f9f39d0369b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.03769",
    "kind": "arxiv",
    "version": 1
  }
}