pith. sign in
Pith Number

pith:K3XFKECC

pith:2018:K3XFKECC7ZLP7IWBB4Q5TRSZPN
not attested not anchored not stored refs pending

Using Pupil Diameter to Measure Cognitive Load

Georgios Minadakis, Katrin Lohan

arxiv:1812.07653 v1 · 2018-11-29 · cs.HC · cs.RO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{K3XFKECC7ZLP7IWBB4Q5TRSZPN}

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 2026-05-17T23:57:56.426407Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

56ee551042fe56ffa2c10f21d9c6597b650d85cbfa2ca775f7ebc44affcddd88

Aliases

arxiv: 1812.07653 · arxiv_version: 1812.07653v1 · doi: 10.48550/arxiv.1812.07653 · pith_short_12: K3XFKECC7ZLP · pith_short_16: K3XFKECC7ZLP7IWB · pith_short_8: K3XFKECC
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/K3XFKECC7ZLP7IWBB4Q5TRSZPN \
  | 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: 56ee551042fe56ffa2c10f21d9c6597b650d85cbfa2ca775f7ebc44affcddd88
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "66d8c0060a518510ca9256f73f1bb6d998a22439bc15d5a10b446f1495f3bf00",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2018-11-29T20:31:45Z",
    "title_canon_sha256": "0a4faf5e65491a6df4d341d0a89f18ceeffb49800a79c7871502ebfb710d9936"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07653",
    "kind": "arxiv",
    "version": 1
  }
}