Pith Number

pith:62KVZ5SH

pith:2018:62KVZ5SHHOQBMZFCD25CQJICHR

not attested not anchored not stored refs pending

A Convex Geodesic Selective Model for Image Segmentation

Ke Chen, Klaus L. Irion, Michael Roberts

arxiv:1811.02138 v1 · 2018-11-06 · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{62KVZ5SHHOQBMZFCD25CQJICHR}

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	2026-05-17T23:41:24.851236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6955cf6473ba01664a21eba2825023c542584062acd94ca4dd74a994e2073fb

Aliases

arxiv: 1811.02138 · arxiv_version: 1811.02138v1 · doi: 10.48550/arxiv.1811.02138 · pith_short_12: 62KVZ5SHHOQB · pith_short_16: 62KVZ5SHHOQBMZFC · pith_short_8: 62KVZ5SH

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/62KVZ5SHHOQBMZFCD25CQJICHR \
  | 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: f6955cf6473ba01664a21eba2825023c542584062acd94ca4dd74a994e2073fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c0296d1bbd842b214c27bf3f4980f98ba2c7e2daca18728f07c2c1ca2a83b76",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-11-06T02:51:41Z",
    "title_canon_sha256": "16262d04ca35a07eb5a34583d3ab63d4a30814cdc163e1aa3f2d0d9ecc0dad4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02138",
    "kind": "arxiv",
    "version": 1
  }
}