Pith Number

pith:3BGQPQM6

pith:2019:3BGQPQM6GO5PFHPJXBFHJ2JSZW

not attested not anchored not stored refs pending

Automated Segmentation of the Optic Disk and Cup using Dual-Stage Fully Convolutional Networks

Dagan Feng, Jinman Kim, Lei Bi, Michael Fulham, Qian Wang, Yuyu Guo

arxiv:1902.04713 v1 · 2019-02-13 · 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{3BGQPQM6GO5PFHPJXBFHJ2JSZW}

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	2026-05-17T23:54:06.221457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d84d07c19e33baf29de9b84a74e932cd801d8f678c0bdfa6633727583fc2c4d5

Aliases

arxiv: 1902.04713 · arxiv_version: 1902.04713v1 · doi: 10.48550/arxiv.1902.04713 · pith_short_12: 3BGQPQM6GO5P · pith_short_16: 3BGQPQM6GO5PFHPJ · pith_short_8: 3BGQPQM6

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/3BGQPQM6GO5PFHPJXBFHJ2JSZW \
  | 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: d84d07c19e33baf29de9b84a74e932cd801d8f678c0bdfa6633727583fc2c4d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e92beee85ac617116c1988ca3488ac3268057440a9569560cbed1d6cff6bca3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-02-13T02:29:59Z",
    "title_canon_sha256": "3095d064f97283a503587b5b1b1dc262e1769d54758eb6976ec046791aceb479"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04713",
    "kind": "arxiv",
    "version": 1
  }
}