Pith Number

pith:U74QRLFP

pith:2021:U74QRLFPTYTHJB36YRQYMYNM2J

not attested not anchored not stored refs pending

Optic Disc Segmentation using Disk-Centered Patch Augmentation

Aashis Khanal, Rolando Estrada, Saeid Motevali

arxiv:2110.00512 v1 · 2021-10-01 · eess.IV · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U74QRLFPTYTHJB36YRQYMYNM2J}

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	2026-07-05T03:19:30.183782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7f908acaf9e2674877ec4618661acd265aeeae50292f9f51423c31bfe79f43e

Aliases

arxiv: 2110.00512 · arxiv_version: 2110.00512v1 · doi: 10.48550/arxiv.2110.00512 · pith_short_12: U74QRLFPTYTH · pith_short_16: U74QRLFPTYTHJB36 · pith_short_8: U74QRLFP

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/U74QRLFPTYTHJB36YRQYMYNM2J \
  | 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: a7f908acaf9e2674877ec4618661acd265aeeae50292f9f51423c31bfe79f43e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bd551c6aa8accf1694fab3fa742e6ffbdefd0851f350f104f630450def97998",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-10-01T16:25:45Z",
    "title_canon_sha256": "0131bcbbde7a73295775650fd823815741898b3ea5419946c633a5e470d56897"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.00512",
    "kind": "arxiv",
    "version": 1
  }
}