Pith Number

pith:SFW7PGMI

pith:2018:SFW7PGMITWLNJUASP5JN2Z6KD7

not attested not anchored not stored refs pending

Unconstrained Iris Segmentation using Convolutional Neural Networks

Benjamin Fuller, Sohaib Ahmad

arxiv:1812.08245 v1 · 2018-12-19 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SFW7PGMITWLNJUASP5JN2Z6KD7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:57:51.834670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

916df799889d96d4d0127f52dd67ca1fc54cdd087c691d6ce06c440b74f938b4

Aliases

arxiv: 1812.08245 · arxiv_version: 1812.08245v1 · doi: 10.48550/arxiv.1812.08245 · pith_short_12: SFW7PGMITWLN · pith_short_16: SFW7PGMITWLNJUAS · pith_short_8: SFW7PGMI

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/SFW7PGMITWLNJUASP5JN2Z6KD7 \
  | 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: 916df799889d96d4d0127f52dd67ca1fc54cdd087c691d6ce06c440b74f938b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93f4b2a2c2378e195dca99996624c8a60d2ad3c2511deea66572ccf0eeaeb468",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-12-19T21:10:08Z",
    "title_canon_sha256": "bbd95d00a6c561ca9bc4ad098cc2962a5e544344109577221a76c80475938bb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08245",
    "kind": "arxiv",
    "version": 1
  }
}