Pith Number

pith:LY37V3EX

pith:2021:LY37V3EX25K2RQ3QX5TE6WI7FH

not attested not anchored not stored refs pending

Lectures on mean curvature flow of surfaces

Robert Haslhofer

arxiv:2105.10485 v2 · 2021-05-21 · 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{LY37V3EX25K2RQ3QX5TE6WI7FH}

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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.

Cited by

1 paper in Pith

Strong uniqueness and rectifiability of generalized cylindrical singularities in Ricci flow

Receipt and verification

First computed	2026-07-05T08:32:07.517874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e37faec97d755a8c370bf664f591f29d79eb390d4fc4b7140aea8dddb6e1549

Aliases

arxiv: 2105.10485 · arxiv_version: 2105.10485v2 · doi: 10.48550/arxiv.2105.10485 · pith_short_12: LY37V3EX25K2 · pith_short_16: LY37V3EX25K2RQ3Q · pith_short_8: LY37V3EX

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/LY37V3EX25K2RQ3QX5TE6WI7FH \
  | 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: 5e37faec97d755a8c370bf664f591f29d79eb390d4fc4b7140aea8dddb6e1549

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5f2b7f3b273757a401e13a4609ea05cbb6794765cdb47e8cba83520dad790f7",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2021-05-21T17:48:54Z",
    "title_canon_sha256": "8b3cd47cafcae6cb8f19b81b0d886fb215ab16199a06fbe71d5fe7cdbc75f3a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.10485",
    "kind": "arxiv",
    "version": 2
  }
}