Pith Number

pith:WE45IPMA

pith:2013:WE45IPMAL22JGGY6Y2RRBOTWHP

not attested not anchored not stored refs pending

A general approach of least squares estimation and optimal filtering

Benjamin Lenoir

arxiv:1305.6324 v1 · 2013-05-27 · math.OC · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WE45IPMAL22JGGY6Y2RRBOTWHP}

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	2026-05-18T02:26:10.949666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b139d43d805eb4931b1ec6a310ba763bf32500d77f44a6b37a0118a3d70e8a25

Aliases

arxiv: 1305.6324 · arxiv_version: 1305.6324v1 · doi: 10.48550/arxiv.1305.6324 · pith_short_12: WE45IPMAL22J · pith_short_16: WE45IPMAL22JGGY6 · pith_short_8: WE45IPMA

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/WE45IPMAL22JGGY6Y2RRBOTWHP \
  | 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: b139d43d805eb4931b1ec6a310ba763bf32500d77f44a6b37a0118a3d70e8a25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cac2ddc041388742f380eb790696fc5b80e9b94414ab8ec1945737b4779665f",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-05-27T20:53:44Z",
    "title_canon_sha256": "0f7dc7703aeb826ad7943a7f5fa025c8378bb558429abab26ee1332c47a89a25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.6324",
    "kind": "arxiv",
    "version": 1
  }
}