Pith Number

pith:6EQMFI7X

pith:2018:6EQMFI7X6E2EDNS23UTNNNN44F

not attested not anchored not stored refs pending

BlockPuzzle - A Challenge in Physical Reasoning and Generalization for Robot Learning

Yixiu Zhao, Ziyin Liu

arxiv:1812.00091 v1 · 2018-11-30 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6EQMFI7X6E2EDNS23UTNNNN44F}

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	2026-05-17T23:59:27.326598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f120c2a3f7f13441b65add26d6b5bce15b2d594f476cfea11c141736205e8802

Aliases

arxiv: 1812.00091 · arxiv_version: 1812.00091v1 · doi: 10.48550/arxiv.1812.00091 · pith_short_12: 6EQMFI7X6E2E · pith_short_16: 6EQMFI7X6E2EDNS2 · pith_short_8: 6EQMFI7X

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/6EQMFI7X6E2EDNS23UTNNNN44F \
  | 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: f120c2a3f7f13441b65add26d6b5bce15b2d594f476cfea11c141736205e8802

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15f334bb24ab4f86fb8140fd69898aacfd04b912aa8506b2ac92b26e51ce7411",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-11-30T23:18:08Z",
    "title_canon_sha256": "060fbdf0dec70582bbf2d656c5c51ac9c075cfc7fe25e8959cfe9e51372ff3c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.00091",
    "kind": "arxiv",
    "version": 1
  }
}