Pith Number

pith:ZWXR32MC

pith:2018:ZWXR32MC7QECVM2JASUGMT2SI7

not attested not anchored not stored refs pending

Linear regression analysis of template aging in iris biometrics

Mateusz Trokielewicz

arxiv:1809.00170 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{ZWXR32MC7QECVM2JASUGMT2SI7}

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	2026-05-18T00:06:35.862404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdaf1de982fc082ab34904a8664f5247fa70fd6fec599f688b73f850f11c6884

Aliases

arxiv: 1809.00170 · arxiv_version: 1809.00170v1 · doi: 10.48550/arxiv.1809.00170 · pith_short_12: ZWXR32MC7QEC · pith_short_16: ZWXR32MC7QECVM2J · pith_short_8: ZWXR32MC

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/ZWXR32MC7QECVM2JASUGMT2SI7 \
  | 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: cdaf1de982fc082ab34904a8664f5247fa70fd6fec599f688b73f850f11c6884

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "294b0646ea9d5cd729959deb343acee3d454e9ac10523c6a5ba1cba4905a7a0e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-09-01T13:12:32Z",
    "title_canon_sha256": "4d1ea9cd62bac49a894e88200d324139327f894963b05db7896bb899534bc22c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00170",
    "kind": "arxiv",
    "version": 1
  }
}