Pith Number

pith:PDW4P7UR

pith:2020:PDW4P7URMUD5KSUSWU7FZ5XCSV

not attested not anchored not stored refs pending

The EMPATHIC Framework for Task Learning from Implicit Human Feedback

Alessandro Allievi, Peter Stone, Qiping Zhang, Scott Niekum, W. Bradley Knox, Yuchen Cui

arxiv:2009.13649 v3 · 2020-09-28 · cs.HC · 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{PDW4P7URMUD5KSUSWU7FZ5XCSV}

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	2026-07-05T01:57:20.409634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78edc7fe916507d54a92b53e5cf6e29551dfe911c5f88d15577d5ee949469b43

Aliases

arxiv: 2009.13649 · arxiv_version: 2009.13649v3 · doi: 10.48550/arxiv.2009.13649 · pith_short_12: PDW4P7URMUD5 · pith_short_16: PDW4P7URMUD5KSUS · pith_short_8: PDW4P7UR

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/PDW4P7URMUD5KSUSWU7FZ5XCSV \
  | 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: 78edc7fe916507d54a92b53e5cf6e29551dfe911c5f88d15577d5ee949469b43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ac67553f4b3a5a63336fe277120b99d90350e42e007effa94d1787d68caefae",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2020-09-28T21:50:38Z",
    "title_canon_sha256": "0915313013872ebf22c6b33dd1691f922c954f6824551875cf5561e997dea529"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.13649",
    "kind": "arxiv",
    "version": 3
  }
}