Pith Number

pith:UMMOCJPW

pith:2014:UMMOCJPWHJXCDILACNBRBFUPAA

not attested not anchored not stored refs pending

Mean-Variance Type Controls Involving a Hidden Markov Chain: Models and Numerical Approximation

George Yin, Qing Zhang, Zhixin Yang

arxiv:1401.4478 v1 · 2014-01-17 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UMMOCJPWHJXCDILACNBRBFUPAA}

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	2026-05-18T03:01:45.572156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a318e125f63a6e21a160134310968f0027f936a5207ae26cd5c216b0fa88ee3b

Aliases

arxiv: 1401.4478 · arxiv_version: 1401.4478v1 · doi: 10.48550/arxiv.1401.4478 · pith_short_12: UMMOCJPWHJXC · pith_short_16: UMMOCJPWHJXCDILA · pith_short_8: UMMOCJPW

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/UMMOCJPWHJXCDILACNBRBFUPAA \
  | 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: a318e125f63a6e21a160134310968f0027f936a5207ae26cd5c216b0fa88ee3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "412b0d9238054ea5d66f1559eea7ffe6830abbdd86697b2a1c5f34af30041102",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-01-17T21:47:58Z",
    "title_canon_sha256": "f8b62cefae0920a950c32baa7c21a65ad92181e8355b9c45bd90da8a6ff40241"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.4478",
    "kind": "arxiv",
    "version": 1
  }
}