Pith Number

pith:W6HQ3PU3

pith:2019:W6HQ3PU3W4CP5E2JYGYLKH32ZR

not attested not anchored not stored refs pending

Partially Observable Markov Decision Process Modelling for Assessing Hierarchies

Guangyuan Piao, Neil J. Hurley, Raul Moreno, Weipeng Huang

arxiv:1908.07031 v7 · 2019-08-19 · stat.ML · cs.AI · cs.LG · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W6HQ3PU3W4CP5E2JYGYLKH32ZR}

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	2026-07-05T01:57:47.924033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b78f0dbe9bb704fe9349c1b0b51f7acc5790f7fca046df19523423395e373dbd

Aliases

arxiv: 1908.07031 · arxiv_version: 1908.07031v7 · doi: 10.48550/arxiv.1908.07031 · pith_short_12: W6HQ3PU3W4CP · pith_short_16: W6HQ3PU3W4CP5E2J · pith_short_8: W6HQ3PU3

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/W6HQ3PU3W4CP5E2JYGYLKH32ZR \
  | 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: b78f0dbe9bb704fe9349c1b0b51f7acc5790f7fca046df19523423395e373dbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5121aeaefe96f2e981a3e86999ba9e2c791ffa5fab7866b3741bf3f8833f8904",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-08-19T19:13:27Z",
    "title_canon_sha256": "c5938ac6a84acb2f1093ba8392639e258f2ce17e2135ab2d291b006835e61252"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07031",
    "kind": "arxiv",
    "version": 7
  }
}