Pith Number

pith:R6GP55SV

pith:2014:R6GP55SVSPK2F3BYY6QTYBWJLA

not attested not anchored not stored refs pending

Exact and Approximate Hidden Markov Chain Filters Based on Discrete Observations

Igor Gilitschenski, Nicole B\"auerle, Uwe D. Hanebeck

arxiv:1411.0849 v2 · 2014-11-04 · math.PR · cs.SY · eess.SY · q-fin.MF

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R6GP55SVSPK2F3BYY6QTYBWJLA}

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	2026-06-04T16:08:55.167949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f8cfef65593d5a2ec38c7a13c06c9582078f707250f7b1d6cf9c7218857b2b7

Aliases

arxiv: 1411.0849 · arxiv_version: 1411.0849v2 · doi: 10.48550/arxiv.1411.0849 · pith_short_12: R6GP55SVSPK2 · pith_short_16: R6GP55SVSPK2F3BY · pith_short_8: R6GP55SV

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/R6GP55SVSPK2F3BYY6QTYBWJLA \
  | 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: 8f8cfef65593d5a2ec38c7a13c06c9582078f707250f7b1d6cf9c7218857b2b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c47830716cfad2d95071413059368bda2438c57e8621b5a9ed1d619e5b43e8a3",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY",
      "q-fin.MF"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2014-11-04T10:20:43Z",
    "title_canon_sha256": "218afc1dc5ccf0670fb4a3f048ba66d194e84549c4f28d1c14da43d4bd562e95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.0849",
    "kind": "arxiv",
    "version": 2
  }
}