Pith Number

pith:3I5AMZZT

pith:2016:3I5AMZZTRXGATKJ6XJYSUAUGDI

not attested not anchored not stored refs pending

Neckpinch singularities in fractional mean curvature flows

Carlo Sinestrari, Eleonora Cinti, Enrico Valdinoci

arxiv:1607.08032 v2 · 2016-07-27 · 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{3I5AMZZTRXGATKJ6XJYSUAUGDI}

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	2026-05-18T01:10:19.607924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da3a0667338dcc09a93eba712a02861a0e93c6327a5c5d922b2cf8130eb7d180

Aliases

arxiv: 1607.08032 · arxiv_version: 1607.08032v2 · doi: 10.48550/arxiv.1607.08032 · pith_short_12: 3I5AMZZTRXGA · pith_short_16: 3I5AMZZTRXGATKJ6 · pith_short_8: 3I5AMZZT

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/3I5AMZZTRXGATKJ6XJYSUAUGDI \
  | 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: da3a0667338dcc09a93eba712a02861a0e93c6327a5c5d922b2cf8130eb7d180

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8cb9ba31a3d6eda369c1e2a59a803b0a0ae3b8da57fcfb7746c15633ed212d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-07-27T10:54:59Z",
    "title_canon_sha256": "fc1ccd87d4f3a7d131ba5764f693bae228ecec7341f6abeb1ce1ee900a8dba8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.08032",
    "kind": "arxiv",
    "version": 2
  }
}