Pith Number

pith:CW255CP6

pith:2018:CW255CP6DZ7UUGMR4OBND2TJ5B

not attested not anchored not stored refs pending

Convergence of mean curvature flow in hyperk\"ahler manifolds

Keita Kunikawa, Ryosuke Takahashi

arxiv:1808.06997 v4 · 2018-08-21 · 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{CW255CP6DZ7UUGMR4OBND2TJ5B}

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	2026-07-05T01:00:30.309039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15b5de89fe1e7f4a1991e382d1ea69e8633fb270945be4174eae3c744a3a47a5

Aliases

arxiv: 1808.06997 · arxiv_version: 1808.06997v4 · doi: 10.48550/arxiv.1808.06997 · pith_short_12: CW255CP6DZ7U · pith_short_16: CW255CP6DZ7UUGMR · pith_short_8: CW255CP6

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/CW255CP6DZ7UUGMR4OBND2TJ5B \
  | 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: 15b5de89fe1e7f4a1991e382d1ea69e8633fb270945be4174eae3c744a3a47a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b642842214df925a152dc857dde17a83460576cc661dce83f78b2621582a5e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-08-21T16:17:03Z",
    "title_canon_sha256": "a74e99ddf0321c0c36ece5e6a5747af5a50bfd1141a67bfe90be465b68c3ddc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06997",
    "kind": "arxiv",
    "version": 4
  }
}