Pith Number

pith:EKHGMK3Y

pith:2018:EKHGMK3YIRVGWIFRVG5Q2GAEZB

not attested not anchored not stored refs pending

Iris Recognition Under Biologically Troublesome Conditions - Effects of Aging, Diseases and Post-mortem Changes

Adam Czajka, Mateusz Trokielewicz, Piotr Maciejewicz

arxiv:1809.00182 v1 · 2018-09-01 · 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{EKHGMK3YIRVGWIFRVG5Q2GAEZB}

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	2026-05-18T00:06:35.831395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

228e662b78446a6b20b1a9bb0d1804c85185086531bf19d055b552024b1e7875

Aliases

arxiv: 1809.00182 · arxiv_version: 1809.00182v1 · doi: 10.48550/arxiv.1809.00182 · pith_short_12: EKHGMK3YIRVG · pith_short_16: EKHGMK3YIRVGWIFR · pith_short_8: EKHGMK3Y

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/EKHGMK3YIRVGWIFRVG5Q2GAEZB \
  | 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: 228e662b78446a6b20b1a9bb0d1804c85185086531bf19d055b552024b1e7875

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cada611ddea5fe8424b9a67e47d4565e6335d35a7d82f77b6f84fa7873424cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-09-01T13:51:07Z",
    "title_canon_sha256": "3b758d20edb12396a8afe259bab4ebb983c652d2d8d0d98381953d764a7810ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00182",
    "kind": "arxiv",
    "version": 1
  }
}