Pith Number

pith:EAAORPKK

pith:2021:EAAORPKKK4JWJHC6F64LL2MXKS

not attested not anchored not stored refs pending

Semantic constraints to represent common sense required in household actions for multi-modal Learning-from-observation robot

Jun Takamatsu, Katsushi Ikeuchi, Kazuhiro Sasabuchi, Naoki Wake, Riku Arakawa

arxiv:2103.02201 v1 · 2021-03-03 · 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{EAAORPKKK4JWJHC6F64LL2MXKS}

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	2026-07-05T02:20:01.892886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2000e8bd4a5713649c5e2fb8b5e997549d21ff883af2e06ce2004981173ed9b5

Aliases

arxiv: 2103.02201 · arxiv_version: 2103.02201v1 · doi: 10.48550/arxiv.2103.02201 · pith_short_12: EAAORPKKK4JW · pith_short_16: EAAORPKKK4JWJHC6 · pith_short_8: EAAORPKK

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/EAAORPKKK4JWJHC6F64LL2MXKS \
  | 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: 2000e8bd4a5713649c5e2fb8b5e997549d21ff883af2e06ce2004981173ed9b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02a9dd2b9e6a3f4e0c1ead854ab017bb7945a825ddc40365eadda7f71cac48e6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2021-03-03T06:18:06Z",
    "title_canon_sha256": "1f273b2c93acc36f7f3edf382fe9e044c38da6b31236471b50ce42a6e845278f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.02201",
    "kind": "arxiv",
    "version": 1
  }
}