Pith Number

pith:KZYLPPBL

pith:2017:KZYLPPBLR3JSCMP7OGDSQ5NOUO

not attested not anchored not stored refs pending

Sharp one-sided curvature estimates for mean curvature flow and applications

Mat Langford

arxiv:1701.05372 v1 · 2017-01-19 · 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{KZYLPPBLR3JSCMP7OGDSQ5NOUO}

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	2026-05-18T00:52:30.072788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5670b7bc2b8ed32131ff71872875aea388c73eb6ee43f6b237d71739b938b3fe

Aliases

arxiv: 1701.05372 · arxiv_version: 1701.05372v1 · doi: 10.48550/arxiv.1701.05372 · pith_short_12: KZYLPPBLR3JS · pith_short_16: KZYLPPBLR3JSCMP7 · pith_short_8: KZYLPPBL

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/KZYLPPBLR3JSCMP7OGDSQ5NOUO \
  | 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: 5670b7bc2b8ed32131ff71872875aea388c73eb6ee43f6b237d71739b938b3fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58c8319cc50dabce29bcbbe9ccc03232d181570c6d5694054866d53c3a53086f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-01-19T11:07:39Z",
    "title_canon_sha256": "8cc769b538827df1011031ecc9e5f79ba5f6fd72ff39bfa75ead65b90c1cd446"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.05372",
    "kind": "arxiv",
    "version": 1
  }
}