Pith Number

pith:VG6JU2JV

pith:2020:VG6JU2JVZTZV2KNOXJR6QXRYCD

not attested not anchored not stored refs pending

Robust Filtering and Propagation of Uncertainty in Hidden Markov Models

Andrew L. Allan

arxiv:2005.04982 v2 · 2020-05-11 · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VG6JU2JVZTZV2KNOXJR6QXRYCD}

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.

Cited by

1 paper in Pith

Detecting and Understanding Hateful Contents in Memes Through Captioning and Visual Question-Answering

Receipt and verification

First computed	2026-07-05T02:23:06.944358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9bc9a6935ccf35d29aeba63e85e3810e4b07e00e0b60dc3b609865a9764a82b

Aliases

arxiv: 2005.04982 · arxiv_version: 2005.04982v2 · doi: 10.48550/arxiv.2005.04982 · pith_short_12: VG6JU2JVZTZV · pith_short_16: VG6JU2JVZTZV2KNO · pith_short_8: VG6JU2JV

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/VG6JU2JVZTZV2KNOXJR6QXRYCD \
  | 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: a9bc9a6935ccf35d29aeba63e85e3810e4b07e00e0b60dc3b609865a9764a82b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96d78abe90e4fb15b14e27294e28458ce8090f71bdfb86ffd1dc9b9525976d6d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2020-05-11T10:26:01Z",
    "title_canon_sha256": "5a0fefa377fbc83afa11a16613d5893b6778ea4f81c051944a7a4c65d558709c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.04982",
    "kind": "arxiv",
    "version": 2
  }
}