Pith Number

pith:ZORYQDSY

pith:2015:ZORYQDSYVXHP6MEM2JCGKGFKZT

not attested not anchored not stored refs pending

A Multiresolution Ensemble Kalman Filter using Wavelet Decomposition

Humberto C. Godinez, Kyle S. Hickmann

arxiv:1511.01935 v1 · 2015-11-05 · math.OC · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZORYQDSYVXHP6MEM2JCGKGFKZT}

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	2026-05-18T01:27:39.085662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cba3880e58adceff308cd2446518aaccfb9587e5492f8ccb5d01d05e58c2e8ba

Aliases

arxiv: 1511.01935 · arxiv_version: 1511.01935v1 · doi: 10.48550/arxiv.1511.01935 · pith_short_12: ZORYQDSYVXHP · pith_short_16: ZORYQDSYVXHP6MEM · pith_short_8: ZORYQDSY

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/ZORYQDSYVXHP6MEM2JCGKGFKZT \
  | 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: cba3880e58adceff308cd2446518aaccfb9587e5492f8ccb5d01d05e58c2e8ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e593cd567ebab580f0dfb1a882a054d7e948e3a8053b5f9cc92f2ed219cd89e",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-11-05T22:24:39Z",
    "title_canon_sha256": "c893456cbf6ee06ee5a02ee2c63ac8747291b0631fe267e4033e7b5fa0138611"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01935",
    "kind": "arxiv",
    "version": 1
  }
}