Pith Number

pith:RATCDUCF

pith:2009:RATCDUCF5AO7DJT5QBRUSRFCMJ

not attested not anchored not stored refs pending

Optimal Multi-Modes Switching Problem in Infinite Horizon

Brahim El Asri

arxiv:0904.0707 v1 · 2009-04-04 · math.PR · 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{RATCDUCF5AO7DJT5QBRUSRFCMJ}

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	2026-05-18T03:07:11.250978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

882621d045e81df1a67d80634944a26256b9a1491aef465d24218c7beba36bae

Aliases

arxiv: 0904.0707 · arxiv_version: 0904.0707v1 · doi: 10.48550/arxiv.0904.0707 · pith_short_12: RATCDUCF5AO7 · pith_short_16: RATCDUCF5AO7DJT5 · pith_short_8: RATCDUCF

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/RATCDUCF5AO7DJT5QBRUSRFCMJ \
  | 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: 882621d045e81df1a67d80634944a26256b9a1491aef465d24218c7beba36bae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bd21b7f3dcb627151564c147551a718cff7f60bf01f255fad6a85a1e4ab6977",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2009-04-04T12:53:19Z",
    "title_canon_sha256": "50e15088327e0ea3d6fc4cfe8b7a398bf03706ebb695b5cd32db59259f912cbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0707",
    "kind": "arxiv",
    "version": 1
  }
}