Pith Number

pith:CV4GMQX7

pith:2017:CV4GMQX75HYNTU3VR5WDTIAF4D

not attested not anchored not stored refs pending

Synthesising Wider Field Images from Narrow-Field Retinal Video Acquired Using a Low-Cost Direct Ophthalmoscope (Arclight) Attached to a Smartphone

Andrew Blaikie, In Ae Hwang, Keylor Daniel Chaves Viquez, Ognjen Arandjelovic

arxiv:1708.07977 v1 · 2017-08-26 · 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{CV4GMQX75HYNTU3VR5WDTIAF4D}

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	2026-05-18T00:36:37.433353Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15786642ffe9f0d9d3758f6c39a005e0eef81d9458935a93b764c1386cd56556

Aliases

arxiv: 1708.07977 · arxiv_version: 1708.07977v1 · doi: 10.48550/arxiv.1708.07977 · pith_short_12: CV4GMQX75HYN · pith_short_16: CV4GMQX75HYNTU3V · pith_short_8: CV4GMQX7

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/CV4GMQX75HYNTU3VR5WDTIAF4D \
  | 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: 15786642ffe9f0d9d3758f6c39a005e0eef81d9458935a93b764c1386cd56556

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a57cb3c6140590349d86e27a2154c446ad2d7e10543c435f6d666776ccc377d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-08-26T14:28:21Z",
    "title_canon_sha256": "ba97730c5243a4c2f7d3d21b163b4c1b3ae9da3e594c2b7b482f1235b90da63d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07977",
    "kind": "arxiv",
    "version": 1
  }
}