Pith Number

pith:UZ2RB7KW

pith:2017:UZ2RB7KWE2VO6CYGJYPL3UZTXB

not attested not anchored not stored refs pending

Combination of Hidden Markov Random Field and Conjugate Gradient for Brain Image Segmentation

Dominique Michelucci, EL-Hachemi Guerrout, Ramdane Mahiou, Samy Ait-Aoudia

arxiv:1705.04823 v4 · 2017-05-13 · 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{UZ2RB7KWE2VO6CYGJYPL3UZTXB}

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	2026-05-18T00:21:28.097098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a67510fd5626aaef0b064e1ebdd333b85524f05a01e4ac0763bada98e06c3af1

Aliases

arxiv: 1705.04823 · arxiv_version: 1705.04823v4 · doi: 10.48550/arxiv.1705.04823 · pith_short_12: UZ2RB7KWE2VO · pith_short_16: UZ2RB7KWE2VO6CYG · pith_short_8: UZ2RB7KW

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/UZ2RB7KWE2VO6CYGJYPL3UZTXB \
  | 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: a67510fd5626aaef0b064e1ebdd333b85524f05a01e4ac0763bada98e06c3af1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f78a1f1fbf4f8f23799cca4e00998b6c268c57beed77f55141b235d1abdcec1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-05-13T13:34:09Z",
    "title_canon_sha256": "a80fcd42190d49b72206abc17dafd73ec4a06f4e6b03497301075e3b926f28a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.04823",
    "kind": "arxiv",
    "version": 4
  }
}