Pith Number

pith:3G26SYTY

pith:2025:3G26SYTYZPYPGE4HXQBQOCLLDU

not attested not anchored not stored refs pending

On the sensitivity of different ensemble filters to the type of assimilated observation networks

Feng Bao, Guannan Zhang, Hristo G. Chipilski, Siming Liang, Zixiang Xiong

arxiv:2505.04541 v1 · 2025-05-07 · physics.ao-ph · nlin.CD · 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{3G26SYTYZPYPGE4HXQBQOCLLDU}

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	2026-07-05T10:59:53.601976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9b5e96278cbf0f31387bc0307096b1d0f783bc571e575e6eb9b3017601b34d3

Aliases

arxiv: 2505.04541 · arxiv_version: 2505.04541v1 · doi: 10.48550/arxiv.2505.04541 · pith_short_12: 3G26SYTYZPYP · pith_short_16: 3G26SYTYZPYPGE4H · pith_short_8: 3G26SYTY

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/3G26SYTYZPYPGE4HXQBQOCLLDU \
  | 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: d9b5e96278cbf0f31387bc0307096b1d0f783bc571e575e6eb9b3017601b34d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24b7e511fd873941ea8a10140269b1c956da203cbcff961de5ec1e079705d26d",
    "cross_cats_sorted": [
      "nlin.CD",
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2025-05-07T16:23:22Z",
    "title_canon_sha256": "4f47ec9fc272a1c134ee16b74689c1f92e3050388b4e9ac8f1fa6c117661f1cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.04541",
    "kind": "arxiv",
    "version": 1
  }
}