Pith Number

pith:Q4FWPU44

pith:2016:Q4FWPU444THFNBIYMN6E7F4AK6

not attested not anchored not stored refs pending

Analysis of the Human-Computer Interaction on the Example of Image-based CAPTCHA by Association Rule Mining

Alessia Amelio, Darko Brodi\'c

arxiv:1612.00203 v2 · 2016-12-01 · cs.HC · cs.AI · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q4FWPU444THFNBIYMN6E7F4AK6}

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	2026-05-18T00:55:48.281206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

870b67d39ce4ce568518637c4f978057a13881cbb9bdd13f85b94d99e979dfb0

Aliases

arxiv: 1612.00203 · arxiv_version: 1612.00203v2 · doi: 10.48550/arxiv.1612.00203 · pith_short_12: Q4FWPU444THF · pith_short_16: Q4FWPU444THFNBIY · pith_short_8: Q4FWPU44

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/Q4FWPU444THFNBIYMN6E7F4AK6 \
  | 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: 870b67d39ce4ce568518637c4f978057a13881cbb9bdd13f85b94d99e979dfb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eeb1418df55869d8ceba9e84f3f114764e5aabba94afeaee0d07efddefd633dd",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2016-12-01T11:24:09Z",
    "title_canon_sha256": "8fe90b44347582f43ec99cf22b0a45c19b28e4ad3ce5c26dde4e43e7b22f46ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.00203",
    "kind": "arxiv",
    "version": 2
  }
}