Pith Number

pith:WL3TDF4C

pith:2025:WL3TDF4CMRLDSSKL6O4RHM77TG

not attested not anchored not stored refs pending

FunduSAM: A Specialized Deep Learning Model for Enhanced Optic Disc and Cup Segmentation in Fundus Images

Fei Qi, Hongmin Cai, Jinchen Yu, Wenxiong Liao, Yongwei Nie

arxiv:2502.06220 v1 · 2025-02-10 · cs.CV · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WL3TDF4CMRLDSSKL6O4RHM77TG}

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	2026-07-05T10:11:49.219099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2f7319782645639494bf3b913b3ff99b891f15aa9f8c38fdb31c3a19da725aa

Aliases

arxiv: 2502.06220 · arxiv_version: 2502.06220v1 · doi: 10.48550/arxiv.2502.06220 · pith_short_12: WL3TDF4CMRLD · pith_short_16: WL3TDF4CMRLDSSKL · pith_short_8: WL3TDF4C

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/WL3TDF4CMRLDSSKL6O4RHM77TG \
  | 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: b2f7319782645639494bf3b913b3ff99b891f15aa9f8c38fdb31c3a19da725aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "703d3f44d6d0267d82d46bbb16db2cd1343e6f9ede188d4a857b5e4dfa40797a",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-02-10T07:52:47Z",
    "title_canon_sha256": "bba42d1fbceee9ff4335035391ecd7c050742a7fc471c1be8f93b480b2d2b65e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.06220",
    "kind": "arxiv",
    "version": 1
  }
}