Pith Number

pith:XCVIIYLU

pith:2012:XCVIIYLUN7VHQTOOQYC7NDJRYP

not attested not anchored not stored refs pending

Differentially Private Kalman Filtering

George J. Pappas, Jerome Le Ny

arxiv:1207.4592 v1 · 2012-07-19 · math.OC · cs.CR · 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{XCVIIYLUN7VHQTOOQYC7NDJRYP}

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	2026-05-18T03:50:36.562762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8aa8461746fea784dce8605f68d31c3c7e4a43e582c34dcdb726b4fe4464ede

Aliases

arxiv: 1207.4592 · arxiv_version: 1207.4592v1 · doi: 10.48550/arxiv.1207.4592 · pith_short_12: XCVIIYLUN7VH · pith_short_16: XCVIIYLUN7VHQTOO · pith_short_8: XCVIIYLU

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/XCVIIYLUN7VHQTOOQYC7NDJRYP \
  | 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: b8aa8461746fea784dce8605f68d31c3c7e4a43e582c34dcdb726b4fe4464ede

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6b015b41072520eb2a51bf32d674eb6c8dfd6f07ebfd5f4e8d082b8a2502b3d",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2012-07-19T09:25:23Z",
    "title_canon_sha256": "4961e668ace30780f831295c9432ea23ac2d90d7fd1406088c1b8750824ec720"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4592",
    "kind": "arxiv",
    "version": 1
  }
}