Pith Number

pith:W6BA3J74

pith:2021:W6BA3J74PIJ6Q7ZT5G4Q7FJT2Q

not attested not anchored not stored refs pending

Temporally Abstract Partial Models

Doina Precup, Gheorghe Comanici, Khimya Khetarpal, Zafarali Ahmed

arxiv:2108.03213 v1 · 2021-08-06 · cs.LG · cs.AI · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W6BA3J74PIJ6Q7ZT5G4Q7FJT2Q}

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	2026-07-05T03:03:47.466702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7820da7fc7a13e87f33e9b90f9533d404df9927948afaa1bf4f7cb1145ff33c

Aliases

arxiv: 2108.03213 · arxiv_version: 2108.03213v1 · doi: 10.48550/arxiv.2108.03213 · pith_short_12: W6BA3J74PIJ6 · pith_short_16: W6BA3J74PIJ6Q7ZT · pith_short_8: W6BA3J74

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/W6BA3J74PIJ6Q7ZT5G4Q7FJT2Q \
  | 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: b7820da7fc7a13e87f33e9b90f9533d404df9927948afaa1bf4f7cb1145ff33c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af04064e1041ea3b8ad5ad7eb20652d117ba9e05b396de4e3f6dc4bc081979ba",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-08-06T17:26:21Z",
    "title_canon_sha256": "720b734527af1b74eaca39ef506aca695c5c478ace33e96202182b2db9cfe837"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.03213",
    "kind": "arxiv",
    "version": 1
  }
}