Pith Number

pith:HPJ55LMG

pith:2022:HPJ55LMGE5FGR7V4NJA27XOMSI

not attested not anchored not stored refs pending

Designing Perceptual Puzzles by Differentiating Probabilistic Programs

Jonathan Ragan-Kelley, Joshua Tenenbaum, Kartik Chandra, Tzu-Mao Li

arxiv:2204.12301 v1 · 2022-04-26 · cs.GR · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HPJ55LMGE5FGR7V4NJA27XOMSI}

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	2026-07-05T04:17:46.760770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bd3dead86274a68febc6a41afddcc9217e4400c958e3c78a5ae13ea643d718c

Aliases

arxiv: 2204.12301 · arxiv_version: 2204.12301v1 · doi: 10.48550/arxiv.2204.12301 · pith_short_12: HPJ55LMGE5FG · pith_short_16: HPJ55LMGE5FGR7V4 · pith_short_8: HPJ55LMG

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/HPJ55LMGE5FGR7V4NJA27XOMSI \
  | 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: 3bd3dead86274a68febc6a41afddcc9217e4400c958e3c78a5ae13ea643d718c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4fccdec33c7f9f5bdd15a847d6db92438e5e86537578bfa88af3454fe6fa880",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2022-04-26T13:30:59Z",
    "title_canon_sha256": "5aed79ef509f72f9ab7ef1d03fdf04c3ba16537c2d40d6a72804c247316cf1ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.12301",
    "kind": "arxiv",
    "version": 1
  }
}