Pith Number

pith:VXSTYLUV

pith:2015:VXSTYLUVD5VAYSMRG6XXHWDLJD

not attested not anchored not stored refs pending

Regional Active Contours based on Variational level sets and Machine Learning for Image Segmentation

M. Abdelsamea

arxiv:1511.00111 v1 · 2015-10-31 · 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{VXSTYLUVD5VAYSMRG6XXHWDLJD}

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	2026-05-18T01:28:13.279061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ade53c2e951f6a0c499137af73d86b48f2a387580f4d08343824527988f9a68b

Aliases

arxiv: 1511.00111 · arxiv_version: 1511.00111v1 · doi: 10.48550/arxiv.1511.00111 · pith_short_12: VXSTYLUVD5VA · pith_short_16: VXSTYLUVD5VAYSMR · pith_short_8: VXSTYLUV

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/VXSTYLUVD5VAYSMRG6XXHWDLJD \
  | 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: ade53c2e951f6a0c499137af73d86b48f2a387580f4d08343824527988f9a68b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "feda00ac45f6d523bf8cbeb4333aa4e9cb348863a0923b9aff3ddb7c632f72b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-10-31T11:17:15Z",
    "title_canon_sha256": "7ae261dd81e2059939c4af338a8b3ec9286566bd0c7739b26f4f6eadec8db2c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.00111",
    "kind": "arxiv",
    "version": 1
  }
}