Pith Number

pith:RX6WIAR4

pith:2013:RX6WIAR4MJKDTSIE2M4ZR6OD2A

not attested not anchored not stored refs pending

Linear theory for filtering nonlinear multiscale systems with model error

John Harlim, Tyrus Berry

arxiv:1311.1831 v3 · 2013-11-07 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RX6WIAR4MJKDTSIE2M4ZR6OD2A}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:32:22.516165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8dfd64023c625439c904d33998f9c3d02ec1f52f8a58406e871d054825778900

Aliases

arxiv: 1311.1831 · arxiv_version: 1311.1831v3 · doi: 10.48550/arxiv.1311.1831 · pith_short_12: RX6WIAR4MJKD · pith_short_16: RX6WIAR4MJKDTSIE · pith_short_8: RX6WIAR4

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/RX6WIAR4MJKDTSIE2M4ZR6OD2A \
  | 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: 8dfd64023c625439c904d33998f9c3d02ec1f52f8a58406e871d054825778900

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "888b5189fea80d2082eb6667897bb3058dc2a41d5c1481583c2ae95abcbb808e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2013-11-07T21:52:28Z",
    "title_canon_sha256": "9e9abb405fac954fd4515ff614657c2c99a51f2ed4fc729557007a2d0326bcff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1831",
    "kind": "arxiv",
    "version": 3
  }
}