Pith Number

pith:BTCS5G6R

pith:2021:BTCS5G6RPWK34YVFOO23EHHPUY

not attested not anchored not stored refs pending

Sampling error correction in ensemble Kalman inversion

Yoonsang Lee

arxiv:2105.11341 v1 · 2021-05-24 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BTCS5G6RPWK34YVFOO23EHHPUY}

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.

Cited by

1 paper in Pith

Statistical Tapers for Correlation-Based Localization in Ensemble Data Assimilation

Receipt and verification

First computed	2026-07-05T02:42:37.653131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cc52e9bd17d95be62a573b5b21cefa62efd7b9fcbbe677d39bb1c4c8104ba9c

Aliases

arxiv: 2105.11341 · arxiv_version: 2105.11341v1 · doi: 10.48550/arxiv.2105.11341 · pith_short_12: BTCS5G6RPWK3 · pith_short_16: BTCS5G6RPWK34YVF · pith_short_8: BTCS5G6R

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/BTCS5G6RPWK34YVFOO23EHHPUY \
  | 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: 0cc52e9bd17d95be62a573b5b21cefa62efd7b9fcbbe677d39bb1c4c8104ba9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f8395973f49fe82ca085e97e7c4e8921c43979afd3c37fedc073ea31adeea4b",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-05-24T15:20:21Z",
    "title_canon_sha256": "4bdb9a7ce35f17315c64ae4187482446420439acaba0d625eaac5fb6418823c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.11341",
    "kind": "arxiv",
    "version": 1
  }
}