Pith Number

pith:FFKBLER7

pith:2023:FFKBLER7IFJYC3WPRANBKLS5KF

not attested not anchored not stored refs pending

Autonomous Needle Navigation in Retinal Microsurgery: Evaluation in ex vivo Porcine Eyes

Iulian Iordachita, Ji Woong Kim, Marin Kobilarov, Peiyao Zhang, Peter Gehlbach

arxiv:2301.11839 v1 · 2023-01-27 · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FFKBLER7IFJYC3WPRANBKLS5KF}

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	2026-07-05T07:21:25.234351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

295415923f4153816ecf881a152e5d517fa3d213b9397d61d63506dd8220228e

Aliases

arxiv: 2301.11839 · arxiv_version: 2301.11839v1 · doi: 10.48550/arxiv.2301.11839 · pith_short_12: FFKBLER7IFJY · pith_short_16: FFKBLER7IFJYC3WP · pith_short_8: FFKBLER7

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/FFKBLER7IFJYC3WPRANBKLS5KF \
  | 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: 295415923f4153816ecf881a152e5d517fa3d213b9397d61d63506dd8220228e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78856f66dca7674977fa3e7853ed2cd1482b4a8df6cde4cd31ef4e18ff948404",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2023-01-27T16:45:38Z",
    "title_canon_sha256": "05167f91ccf27c7ce3c48caae14dac8cfbcd18ad98c52b0453bb9d26d8d0f431"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.11839",
    "kind": "arxiv",
    "version": 1
  }
}