Pith Number

pith:EEBWQPX6

pith:2019:EEBWQPX66FWSH3VSF6WMHOUYGE

not attested not anchored not stored refs pending

Joint Iris Segmentation and Localization Using Deep Multi-task Learning Framework

Caiyong Wang, Ran He, Yuhao Zhu, Yunfan Liu, Zhenan Sun

arxiv:1901.11195 v2 · 2019-01-31 · 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{EEBWQPX66FWSH3VSF6WMHOUYGE}

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	2026-05-17T23:42:58.479804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2103683efef16d23eeb22facc3ba98310aec64e0f3ac303d240b645c369b4bb5

Aliases

arxiv: 1901.11195 · arxiv_version: 1901.11195v2 · doi: 10.48550/arxiv.1901.11195 · pith_short_12: EEBWQPX66FWS · pith_short_16: EEBWQPX66FWSH3VS · pith_short_8: EEBWQPX6

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/EEBWQPX66FWSH3VSF6WMHOUYGE \
  | 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: 2103683efef16d23eeb22facc3ba98310aec64e0f3ac303d240b645c369b4bb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b82037d6771677cac42a716130340a5421234171355c94073ffee35eba5ec7c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-01-31T03:16:15Z",
    "title_canon_sha256": "582e79264edfc22951a86c4828cc34cb7ace731c1bc99d51f7677eccdcb18559"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.11195",
    "kind": "arxiv",
    "version": 2
  }
}