Pith Number

pith:W6OFOP73

pith:2014:W6OFOP73XUWI54MWHOJCULF54R

not attested not anchored not stored refs pending

Particle methods enable fast and simple approximation of Sobolev gradients in image segmentation

Ivo F. Sbalzarini, Janick Cardinale, Sophie Schneider

arxiv:1403.0240 v1 · 2014-03-02 · cs.CV · cs.CE · cs.NA · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W6OFOP73XUWI54MWHOJCULF54R}

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	2026-05-18T02:57:25.369010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b79c573ffbbd2c8ef1963b922a2cbde454f36c3a5a7c5c5829b5cb40e1c975d2

Aliases

arxiv: 1403.0240 · arxiv_version: 1403.0240v1 · doi: 10.48550/arxiv.1403.0240 · pith_short_12: W6OFOP73XUWI · pith_short_16: W6OFOP73XUWI54MW · pith_short_8: W6OFOP73

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/W6OFOP73XUWI54MWHOJCULF54R \
  | 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: b79c573ffbbd2c8ef1963b922a2cbde454f36c3a5a7c5c5829b5cb40e1c975d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a639ece8e19985c8360c8f93638a11744e5b5daea278edeba1efce4c0012b781",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.NA",
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2014-03-02T16:58:29Z",
    "title_canon_sha256": "97b0b9efad3a1bdbe465bddc7006be88bda6a53cf864963145ad438165040daa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.0240",
    "kind": "arxiv",
    "version": 1
  }
}