Pith Number

pith:2H4PEN3G

pith:2021:2H4PEN3GONFTKYK2DJUAXAB336

not attested not anchored not stored refs pending

Semi-Supervised Learning for Eye Image Segmentation

Aayush K. Chaudhary, Jeff B. Pelz, Linwei Wang, Prashnna K. Gyawali

arxiv:2103.09369 v1 · 2021-03-17 · 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{2H4PEN3GONFTKYK2DJUAXAB336}

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	2026-07-05T02:24:02.974823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1f8f23766734b35615a1a680b803bdfaa7d4aaf319f95f2f2bff3466572d4b9

Aliases

arxiv: 2103.09369 · arxiv_version: 2103.09369v1 · doi: 10.48550/arxiv.2103.09369 · pith_short_12: 2H4PEN3GONFT · pith_short_16: 2H4PEN3GONFTKYK2 · pith_short_8: 2H4PEN3G

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/2H4PEN3GONFTKYK2DJUAXAB336 \
  | 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: d1f8f23766734b35615a1a680b803bdfaa7d4aaf319f95f2f2bff3466572d4b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a61f7fb1fffb9572b7fa4fd21df5951c585a92fe059d92a6bb77aee6632d0acc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-17T00:05:19Z",
    "title_canon_sha256": "5e87e0114e7371f970dc140e82701ff748640621cf59c78f3ded47db2af26c47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.09369",
    "kind": "arxiv",
    "version": 1
  }
}