Pith Number

pith:3YVLOCGA

pith:2010:3YVLOCGAVQPN7LYN4FHHMIYDLR

not attested not anchored not stored refs pending

On Variational Data Assimilation in Continuous Time

Jochen Br\"ocker

arxiv:1002.3564 v1 · 2010-02-18 · physics.ao-ph · 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{3YVLOCGAVQPN7LYN4FHHMIYDLR}

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	2026-05-18T02:08:59.449599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de2ab708c0ac1edfaf0de14e7623035c78f0a232e68be3af9242430b380fe764

Aliases

arxiv: 1002.3564 · arxiv_version: 1002.3564v1 · doi: 10.48550/arxiv.1002.3564 · pith_short_12: 3YVLOCGAVQPN · pith_short_16: 3YVLOCGAVQPN7LYN · pith_short_8: 3YVLOCGA

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/3YVLOCGAVQPN7LYN4FHHMIYDLR \
  | 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: de2ab708c0ac1edfaf0de14e7623035c78f0a232e68be3af9242430b380fe764

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bb20fcbd5c4d32c739b5fb4566b85123fcc8452862c9e3516de706076501de8",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2010-02-18T16:24:40Z",
    "title_canon_sha256": "14a95d8abadda158bcffe30a5fce64727c0ced9ae05ebb95771ee4f3a93b2e4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.3564",
    "kind": "arxiv",
    "version": 1
  }
}