Pith Number

pith:I5QP3MVQ

pith:2018:I5QP3MVQECS62Y3OXDWEWEI5GO

not attested not anchored not stored refs pending

Human Perception of Surprise: A User Study

Edith Law, Joslin Goh, Kevyn Collins-Thompson, Mengqiu Teng, Nalin Chhibber, Rohail Syed

arxiv:1807.05906 v1 · 2018-07-16 · cs.IR · cs.AI · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I5QP3MVQECS62Y3OXDWEWEI5GO}

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	2026-05-18T00:10:36.411255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4760fdb2b020a5ed636eb8ec4b111d3391b4b3d4dfb086648032afcd2548c8d8

Aliases

arxiv: 1807.05906 · arxiv_version: 1807.05906v1 · doi: 10.48550/arxiv.1807.05906 · pith_short_12: I5QP3MVQECS6 · pith_short_16: I5QP3MVQECS62Y3O · pith_short_8: I5QP3MVQ

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/I5QP3MVQECS62Y3OXDWEWEI5GO \
  | 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: 4760fdb2b020a5ed636eb8ec4b111d3391b4b3d4dfb086648032afcd2548c8d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d61b984e8a55f03f939d8e241f5a5e51159b90c134fb4c2f7db11b7940f012c",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.HC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-07-16T15:02:38Z",
    "title_canon_sha256": "49b9a416f55f623f51cf07ff9c99f62690e0d3b6402ec4929a86be59f8dd51a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05906",
    "kind": "arxiv",
    "version": 1
  }
}