Pith Number

pith:S43SCWSC

pith:2017:S43SCWSCZJAL6CTGXPDVCYRK53

not attested not anchored not stored refs pending

Optimal control of continuous-time Markov chains with noise-free observation

Alessandro Calvia

arxiv:1707.07202 v2 · 2017-07-22 · 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{S43SCWSCZJAL6CTGXPDVCYRK53}

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	2026-05-18T00:14:28.865260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9737215a42ca40bf0a66bbc751622aeede4c240bc0d7cd76445c5a531f8125b7

Aliases

arxiv: 1707.07202 · arxiv_version: 1707.07202v2 · doi: 10.48550/arxiv.1707.07202 · pith_short_12: S43SCWSCZJAL · pith_short_16: S43SCWSCZJAL6CTG · pith_short_8: S43SCWSC

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/S43SCWSCZJAL6CTGXPDVCYRK53 \
  | 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: 9737215a42ca40bf0a66bbc751622aeede4c240bc0d7cd76445c5a531f8125b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12e4eb28b204cda44abff9a729e460daf06d625bba403adfd8506be61d0f173d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-07-22T18:26:38Z",
    "title_canon_sha256": "8ab5d9723bab8fd0d82dc9d5e0b26574cfc50ec980d12d8d5108caceda159f1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.07202",
    "kind": "arxiv",
    "version": 2
  }
}