Pith Number

pith:ZG75BGJA

pith:2018:ZG75BGJAFWWQ5OESLJ2LCZVRXD

not attested not anchored not stored refs pending

Requirements and Design Methodology for a Spatio-Angular Vitreoretinal Surgical Microscope

Brice Thurin, Christos Bergeles

arxiv:1807.09188 v1 · 2018-06-29 · physics.med-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZG75BGJAFWWQ5OESLJ2LCZVRXD}

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	2026-05-18T00:09:56.486466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9bfd099202dad0eb8925a74b166b1b8e840b6be88e5be2d0c5eabef9b11078a

Aliases

arxiv: 1807.09188 · arxiv_version: 1807.09188v1 · doi: 10.48550/arxiv.1807.09188 · pith_short_12: ZG75BGJAFWWQ · pith_short_16: ZG75BGJAFWWQ5OES · pith_short_8: ZG75BGJA

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/ZG75BGJAFWWQ5OESLJ2LCZVRXD \
  | 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: c9bfd099202dad0eb8925a74b166b1b8e840b6be88e5be2d0c5eabef9b11078a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "364d46b46b38a05ffb54c3ea1e4ed14ffe307975dd2b41e86c162adf2beaa7b2",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2018-06-29T14:04:31Z",
    "title_canon_sha256": "3514f0e0c9ae906e72ec5756673e2f0f95e4e77ce94cdcadf0822bcf70c80e7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09188",
    "kind": "arxiv",
    "version": 1
  }
}