Pith Number

pith:5F64WRGH

pith:2023:5F64WRGH4CBQ5VS7QJ6AELICVR

not attested not anchored not stored refs pending

FreeCOS: Self-Supervised Learning from Fractals and Unlabeled Images for Curvilinear Object Segmentation

Liang Zhang, Tianyi Shi, Xiaohuan Ding, Xin Yang

arxiv:2307.07245 v1 · 2023-07-14 · 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{5F64WRGH4CBQ5VS7QJ6AELICVR}

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	2026-07-05T06:30:53.229734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e97dcb44c7e0830ed65f827c022d02ac5c49e9e15a2e5d9d63dd5fecf784919e

Aliases

arxiv: 2307.07245 · arxiv_version: 2307.07245v1 · doi: 10.48550/arxiv.2307.07245 · pith_short_12: 5F64WRGH4CBQ · pith_short_16: 5F64WRGH4CBQ5VS7 · pith_short_8: 5F64WRGH

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/5F64WRGH4CBQ5VS7QJ6AELICVR \
  | 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: e97dcb44c7e0830ed65f827c022d02ac5c49e9e15a2e5d9d63dd5fecf784919e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ffcaae05e6b75b90a78802f93141b463355eb182db76241af2165187d1306e2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-07-14T09:38:08Z",
    "title_canon_sha256": "6cf43bb06fbe28409aa25d810ca005ecbaffc76be217f884dfa5184104c67454"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.07245",
    "kind": "arxiv",
    "version": 1
  }
}