Pith Number

pith:LMXAHORN

pith:2019:LMXAHORNRZ57QI2AAF7BFK5UJD

not attested not anchored not stored refs pending

Explaining intuitive difficulty judgments by modeling physical effort and risk

Basil Saeed, Grace Bennett-Pierre, Hyowon Gweon, Ilker Yildirim, Joshua Tenenbaum, Tobias Gerstenberg

arxiv:1905.04445 v2 · 2019-05-11 · cs.AI · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LMXAHORNRZ57QI2AAF7BFK5UJD}

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	2026-05-17T23:46:17.332568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b2e03ba2d8e7bf82340017e12abb448e2b2a9f54b45bddcc9fd12d32d46a269

Aliases

arxiv: 1905.04445 · arxiv_version: 1905.04445v2 · doi: 10.48550/arxiv.1905.04445 · pith_short_12: LMXAHORNRZ57 · pith_short_16: LMXAHORNRZ57QI2A · pith_short_8: LMXAHORN

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/LMXAHORNRZ57QI2AAF7BFK5UJD \
  | 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: 5b2e03ba2d8e7bf82340017e12abb448e2b2a9f54b45bddcc9fd12d32d46a269

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6429643c92da61ea0c438665d1c48ac9502ed4d0f73949663b3cb7e997079df9",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2019-05-11T04:17:57Z",
    "title_canon_sha256": "99a35241300f52c12704211a7b164ac30f9328c662c5967276bc48e8554d84f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.04445",
    "kind": "arxiv",
    "version": 2
  }
}