Pith Number

pith:DPMR557Z

pith:2017:DPMR557ZW2NG7YZH4UDAGPYB37

not attested not anchored not stored refs pending

Data Assimilation in the Geosciences - An overview on methods, issues and perspectives

Alberto Carrassi, Geir Evensen, Laurent Bertino, Marc Bocquet

arxiv:1709.02798 v3 · 2017-09-06 · physics.ao-ph · 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{DPMR557ZW2NG7YZH4UDAGPYB37}

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	2026-05-18T00:13:51.105550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bd91ef7f9b69a6fe327e506033f01dfc40b7f1221625af7f018cba210246aa1

Aliases

arxiv: 1709.02798 · arxiv_version: 1709.02798v3 · doi: 10.48550/arxiv.1709.02798 · pith_short_12: DPMR557ZW2NG · pith_short_16: DPMR557ZW2NG7YZH · pith_short_8: DPMR557Z

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/DPMR557ZW2NG7YZH4UDAGPYB37 \
  | 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: 1bd91ef7f9b69a6fe327e506033f01dfc40b7f1221625af7f018cba210246aa1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2f3a502b93ff4805588b344404fe370abffa21f5c50eaf9105e0a5aeca97ef5",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2017-09-06T16:15:04Z",
    "title_canon_sha256": "fb1089dc33736f0d8426ae67bbb7d3b2dd69e02d925ca3dcdfca0c8659b3b5bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02798",
    "kind": "arxiv",
    "version": 3
  }
}