Pith Number

pith:K7PO3W4S

pith:2023:K7PO3W4SAHBK2LSNFNII4IZMQ7

not attested not anchored not stored refs pending

On Embedding B-Splines in Recursive State Estimation

Kailai Li

arxiv:2307.00637 v3 · 2023-07-02 · eess.SY · 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{K7PO3W4SAHBK2LSNFNII4IZMQ7}

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	2026-07-05T11:19:17.858693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57deeddb9201c2ad2e4d2b508e232c87c94846c3f3912efd798e1d603834ccfa

Aliases

arxiv: 2307.00637 · arxiv_version: 2307.00637v3 · doi: 10.48550/arxiv.2307.00637 · pith_short_12: K7PO3W4SAHBK · pith_short_16: K7PO3W4SAHBK2LSN · pith_short_8: K7PO3W4S

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/K7PO3W4SAHBK2LSNFNII4IZMQ7 \
  | 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: 57deeddb9201c2ad2e4d2b508e232c87c94846c3f3912efd798e1d603834ccfa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f56abdcc887060edf7533378f8150524a856b0d4821bc6d78a5d951319d1d255",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2023-07-02T19:16:29Z",
    "title_canon_sha256": "859fb0a38c200b78ca85001860c1d72cc8937dd2781a5d8c0d1178132ffea500"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.00637",
    "kind": "arxiv",
    "version": 3
  }
}