Pith Number

pith:66F4SUDC

pith:2013:66F4SUDCZSTVKEXTPONT23ID4N

not attested not anchored not stored refs pending

Matching-Constrained Active Contours

Junyan Wang, Kap Luk Chan

arxiv:1307.6303 v1 · 2013-07-24 · 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{66F4SUDCZSTVKEXTPONT23ID4N}

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	2026-05-18T03:17:43.763415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f78bc95062cca75512f37b9b3d6d03e364182c3433784b58ae371405cdc6ec13

Aliases

arxiv: 1307.6303 · arxiv_version: 1307.6303v1 · doi: 10.48550/arxiv.1307.6303 · pith_short_12: 66F4SUDCZSTV · pith_short_16: 66F4SUDCZSTVKEXT · pith_short_8: 66F4SUDC

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/66F4SUDCZSTVKEXTPONT23ID4N \
  | 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: f78bc95062cca75512f37b9b3d6d03e364182c3433784b58ae371405cdc6ec13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef966775450b72ca3ffb48228de1088777d131f61767a8365749db58880aa5b7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-07-24T06:18:44Z",
    "title_canon_sha256": "d009795add7ecbe7429b6c523df9e50ad535915c9a98c9f585666d2892f236c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.6303",
    "kind": "arxiv",
    "version": 1
  }
}