Pith Number

pith:YSIQ2RU3

pith:2023:YSIQ2RU3P2TIU5GY43I6RGOV5F

not attested not anchored not stored refs pending

Uniqueness of conical singularities for mean curvature flows

Tang-Kai Lee, Xinrui Zhao

arxiv:2301.10883 v2 · 2023-01-26 · 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{YSIQ2RU3P2TIU5GY43I6RGOV5F}

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	2026-07-05T05:38:10.907720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4910d469b7ea68a74d8e6d1e899d5e97ca8732cfbadfafa0ac1c8852176ba87

Aliases

arxiv: 2301.10883 · arxiv_version: 2301.10883v2 · doi: 10.48550/arxiv.2301.10883 · pith_short_12: YSIQ2RU3P2TI · pith_short_16: YSIQ2RU3P2TIU5GY · pith_short_8: YSIQ2RU3

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/YSIQ2RU3P2TIU5GY43I6RGOV5F \
  | 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: c4910d469b7ea68a74d8e6d1e899d5e97ca8732cfbadfafa0ac1c8852176ba87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0235e20cf77a9efad14e6831a7b09f9bab2730ddf2e637d155358769888c65df",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2023-01-26T00:35:25Z",
    "title_canon_sha256": "590d1c553c88bb4fbb596864902abc957fddf412b3c97b1a27b50abf383107d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.10883",
    "kind": "arxiv",
    "version": 2
  }
}