Pith Number

pith:YEENBU6D

pith:2024:YEENBU6DG4VV7F4JYGYW3CIGC6

not attested not anchored not stored refs pending

On building the state error covariance from a state estimate

Pavel Sakov

arxiv:2411.14809 v3 · 2024-11-22 · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YEENBU6DG4VV7F4JYGYW3CIGC6}

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	2026-07-05T10:04:20.087408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c108d0d3c3372b5f9789c1b16d890617a3f1fba619a204d14847e9d03119d602

Aliases

arxiv: 2411.14809 · arxiv_version: 2411.14809v3 · doi: 10.48550/arxiv.2411.14809 · pith_short_12: YEENBU6DG4VV · pith_short_16: YEENBU6DG4VV7F4J · pith_short_8: YEENBU6D

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/YEENBU6DG4VV7F4JYGYW3CIGC6 \
  | 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: c108d0d3c3372b5f9789c1b16d890617a3f1fba619a204d14847e9d03119d602

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e526159f97074b04b0e5e74874c5d850f61bc8630428faf09d17751bfc6a20d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2024-11-22T09:09:07Z",
    "title_canon_sha256": "dca4e62bcb1b508b8ea64395850dea5848384af831bdb942acfed85e8bdeb90a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.14809",
    "kind": "arxiv",
    "version": 3
  }
}