Pith Number

pith:EXH4CSFQ

pith:2015:EXH4CSFQLW7E22LPFT6ZCV33RQ

not attested not anchored not stored refs pending

Distributed Filter Design for Cooperative H-Infinity-Type Estimation

Frank Allg\"ower, Jingbo Wu, Li Li, Valery Ugrinovskii

arxiv:1509.05967 v1 · 2015-09-20 · 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{EXH4CSFQLW7E22LPFT6ZCV33RQ}

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	2026-05-18T01:25:11.311083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25cfc148b05dbe4d696f2cfd91577b8c35f7657ba59bf8bc800e7ead4d18a9ab

Aliases

arxiv: 1509.05967 · arxiv_version: 1509.05967v1 · doi: 10.48550/arxiv.1509.05967 · pith_short_12: EXH4CSFQLW7E · pith_short_16: EXH4CSFQLW7E22LP · pith_short_8: EXH4CSFQ

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/EXH4CSFQLW7E22LPFT6ZCV33RQ \
  | 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: 25cfc148b05dbe4d696f2cfd91577b8c35f7657ba59bf8bc800e7ead4d18a9ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d6ce2d4df312ce765b9c9848bd28469924deb97e7259c17141ee25a0bee5cfa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2015-09-20T04:47:57Z",
    "title_canon_sha256": "665b7ffb942758a8ab21ac6ae24295cdcc1e91fb6d9a85ded9f485146c2f816b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05967",
    "kind": "arxiv",
    "version": 1
  }
}