Pith Number

pith:LTJ2WYG2

pith:2019:LTJ2WYG2PQMEOTSWZSKGRGZ2MH

not attested not anchored not stored refs pending

Interactive Task and Concept Learning from Natural Language Instructions and GUI Demonstrations

Brad A. Myers, Justin Jia, Kirielle Singarajah, Marissa Radensky, Toby Jia-Jun Li, Tom M. Mitchell

arxiv:1909.00031 v2 · 2019-08-30 · cs.HC · 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{LTJ2WYG2PQMEOTSWZSKGRGZ2MH}

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	2026-07-05T01:18:15.787838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cd3ab60da7c18474e56cc94689b3a61cf41ec2f13ad4208bee8e94e362be1a3

Aliases

arxiv: 1909.00031 · arxiv_version: 1909.00031v2 · doi: 10.48550/arxiv.1909.00031 · pith_short_12: LTJ2WYG2PQME · pith_short_16: LTJ2WYG2PQMEOTSW · pith_short_8: LTJ2WYG2

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/LTJ2WYG2PQMEOTSWZSKGRGZ2MH \
  | 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: 5cd3ab60da7c18474e56cc94689b3a61cf41ec2f13ad4208bee8e94e362be1a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "654eddde9569b035268b78d22aca41aa5ff3fd338b0dc9968c84f7fd8efb6e91",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2019-08-30T18:35:01Z",
    "title_canon_sha256": "48419cd79db3f6ec03e092518a6a6c8775d19d1879ada5efb45dc00f23fdde35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.00031",
    "kind": "arxiv",
    "version": 2
  }
}