Pith Number

pith:3FPU6FEW

pith:2014:3FPU6FEWNLBMRO5XQZJTNUV73M

not attested not anchored not stored refs pending

Kalman Filtering over Fading Channels: Zero-One Laws and Almost Sure Stabilities

Brian D. O. Anderson, Guodong Shi, Junfeng Wu, Karl Henrik Johansson

arxiv:1412.8105 v2 · 2014-12-28 · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3FPU6FEWNLBMRO5XQZJTNUV73M}

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	2026-05-18T00:29:41.174640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d95f4f14966ac2c8bbb7865336d2bfdb202993a92fb2ef9c7fab3589e8a43bd5

Aliases

arxiv: 1412.8105 · arxiv_version: 1412.8105v2 · doi: 10.48550/arxiv.1412.8105 · pith_short_12: 3FPU6FEWNLBM · pith_short_16: 3FPU6FEWNLBMRO5X · pith_short_8: 3FPU6FEW

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/3FPU6FEWNLBMRO5XQZJTNUV73M \
  | 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: d95f4f14966ac2c8bbb7865336d2bfdb202993a92fb2ef9c7fab3589e8a43bd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3554078bb660fb61ec78d8b70997113b4fd9656e096205e404ca1dc8cff6819",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2014-12-28T04:29:46Z",
    "title_canon_sha256": "0c396e2f94557c5b5442b58b4b5bb4df6fe18ea74e7c7c244239ee72ba5bd90a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.8105",
    "kind": "arxiv",
    "version": 2
  }
}