Pith Number

pith:HZCG3UD2

pith:2021:HZCG3UD2MF6QAUTML4GFEFC7YU

not attested not anchored not stored refs pending

Predicting Visual Improvement after Macular Hole Surgery: a Cautionary Tale on Deep Learning with Very Limited Data

A. Dirani, A. Durand, A. Lachance, F. Antaki, M. Godbout

arxiv:2109.09463 v2 · 2021-09-20 · 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{HZCG3UD2MF6QAUTML4GFEFC7YU}

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	2026-07-05T03:31:30.595005Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e446dd07a617d00526c5f0c52145fc51d2d1c50baf2ad8538340c13f4cd5940

Aliases

arxiv: 2109.09463 · arxiv_version: 2109.09463v2 · doi: 10.48550/arxiv.2109.09463 · pith_short_12: HZCG3UD2MF6Q · pith_short_16: HZCG3UD2MF6QAUTM · pith_short_8: HZCG3UD2

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/HZCG3UD2MF6QAUTML4GFEFC7YU \
  | 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: 3e446dd07a617d00526c5f0c52145fc51d2d1c50baf2ad8538340c13f4cd5940

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "209fb4b0715523b7b7abf27e765fbae28b9cc0611ed7baf2b02b1ecaab5d82ad",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-09-20T12:23:04Z",
    "title_canon_sha256": "91ec1866b0ea0e452373d0e7745b05f4b30f9fe78ee16145aa18f1586480311a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.09463",
    "kind": "arxiv",
    "version": 2
  }
}