Pith Number

pith:5Y7A6C62

pith:2017:5Y7A6C62DK56KW6KK3Z2LY4ZIT

not attested not anchored not stored refs pending

Data Assimilation for a Geological Process Model Using the Ensemble Kalman Filter

Jacob Skauvold, Jo Eidsvik

arxiv:1711.07763 v1 · 2017-11-21 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5Y7A6C62DK56KW6KK3Z2LY4ZIT}

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	2026-05-18T00:29:56.551454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee3e0f0bda1abbe55bca56f3a5e39944ef01d61f88859c5b80d3c338f22639a4

Aliases

arxiv: 1711.07763 · arxiv_version: 1711.07763v1 · doi: 10.48550/arxiv.1711.07763 · pith_short_12: 5Y7A6C62DK56 · pith_short_16: 5Y7A6C62DK56KW6K · pith_short_8: 5Y7A6C62

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/5Y7A6C62DK56KW6KK3Z2LY4ZIT \
  | 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: ee3e0f0bda1abbe55bca56f3a5e39944ef01d61f88859c5b80d3c338f22639a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a1a7e825938038497263f1620c91facad66809bc088401226a08be5207fe4da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2017-11-21T13:11:39Z",
    "title_canon_sha256": "7765e760a56688bc0f21483526a57e14d485bcddb27ecfb58ff6968032230ab7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.07763",
    "kind": "arxiv",
    "version": 1
  }
}