Pith Number

pith:7ZXLYHEI

pith:2017:7ZXLYHEIJHZ2OWZLJRFOZ3SRX2

not attested not anchored not stored refs pending

Practical Learning of Predictive State Representations

Ahmed Hefny, Carlton Downey, Geoffrey Gordon

arxiv:1702.04121 v1 · 2017-02-14 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ZXLYHEIJHZ2OWZLJRFOZ3SRX2}

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	2026-05-18T00:50:49.003498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe6ebc1c8849f3a75b2b4c4aecee51be96e929bd7a951e717af7fbf2cae150d9

Aliases

arxiv: 1702.04121 · arxiv_version: 1702.04121v1 · doi: 10.48550/arxiv.1702.04121 · pith_short_12: 7ZXLYHEIJHZ2 · pith_short_16: 7ZXLYHEIJHZ2OWZL · pith_short_8: 7ZXLYHEI

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/7ZXLYHEIJHZ2OWZLJRFOZ3SRX2 \
  | 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: fe6ebc1c8849f3a75b2b4c4aecee51be96e929bd7a951e717af7fbf2cae150d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8fdeeeba8be295d806c499d7631b64780e7a539ffa3a094481602f8a13eba20",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-02-14T09:06:07Z",
    "title_canon_sha256": "b5949e22eca644d4c19ab9f0cd1684b5050d38312f07e521fcc1d40603737167"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.04121",
    "kind": "arxiv",
    "version": 1
  }
}