Pith Number

pith:XSMSIHQL

pith:2017:XSMSIHQLUP6HXX6K6YZ53DXWUI

not attested not anchored not stored refs pending

Selection of the Regularization Parameter in the Ambrosio-Tortorelli Approximation of the Mumford-Shah Functional for Image Segmentation

Weizhang Huang, Yufei Yu

arxiv:1706.06459 v1 · 2017-06-20 · math.NA · cs.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{XSMSIHQLUP6HXX6K6YZ53DXWUI}

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	2026-06-04T18:10:56.907250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc99241e0ba3fc7bdfcaf633dd8ef6a23fae82b69e8d2baa3f77ce2f2b9e9419

Aliases

arxiv: 1706.06459 · arxiv_version: 1706.06459v1 · doi: 10.48550/arxiv.1706.06459 · pith_short_12: XSMSIHQLUP6H · pith_short_16: XSMSIHQLUP6HXX6K · pith_short_8: XSMSIHQL

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/XSMSIHQLUP6HXX6K6YZ53DXWUI \
  | 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: bc99241e0ba3fc7bdfcaf633dd8ef6a23fae82b69e8d2baa3f77ce2f2b9e9419

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51eab1113a6262a31b230afcfb27d3ea90ea480c8eece0944df7f725b4943249",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-06-20T14:17:04Z",
    "title_canon_sha256": "2604a3d6d10c93903bdff44164027083a40a9af1194bf23b62ff32727c27a9ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.06459",
    "kind": "arxiv",
    "version": 1
  }
}