Pith Number

pith:HPI72JNE

pith:2017:HPI72JNETDDBCPUED6H7DGTPLY

not attested not anchored not stored refs pending

Accelerated Optimization in the PDE Framework: Formulations for the Active Contour Case

Anthony Yezzi, Ganesh Sundaramoorthi

arxiv:1711.09867 v1 · 2017-11-27 · cs.NA · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HPI72JNETDDBCPUED6H7DGTPLY}

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	2026-05-18T00:29:34.293912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bd1fd25a498c6113e841f8ff19a6f5e33a9cc0f649fdd5d3aafc135f20a9483

Aliases

arxiv: 1711.09867 · arxiv_version: 1711.09867v1 · doi: 10.48550/arxiv.1711.09867 · pith_short_12: HPI72JNETDDB · pith_short_16: HPI72JNETDDBCPUE · pith_short_8: HPI72JNE

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/HPI72JNETDDBCPUED6H7DGTPLY \
  | 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: 3bd1fd25a498c6113e841f8ff19a6f5e33a9cc0f649fdd5d3aafc135f20a9483

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7894f363acedc1c1e890cd22e14df07177f094d0ea98633e97ef0eb8a450049",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2017-11-27T18:27:24Z",
    "title_canon_sha256": "200d237e9a04ab21b5a4f71a3014de0fe7b123059a2868aab2e92d9e2e7354fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.09867",
    "kind": "arxiv",
    "version": 1
  }
}