Pith Number

pith:LFMWLRGS

pith:2014:LFMWLRGSD6CNSAHGLJUT7HAD5Q

not attested not anchored not stored refs pending

Data Assimilation by Artificial Neural Networks for an Atmospheric General Circulation Model: Conventional Observation

Haroldo F. de Campos Velho, Rosangela S. Cintra

arxiv:1407.4360 v1 · 2014-07-16 · cs.AI · physics.ao-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LFMWLRGSD6CNSAHGLJUT7HAD5Q}

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	2026-05-18T02:47:30.610275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

595965c4d21f84d900e65a693f9c03ec3bdb89f9d650c9e7bd8429afd1c4d9d4

Aliases

arxiv: 1407.4360 · arxiv_version: 1407.4360v1 · doi: 10.48550/arxiv.1407.4360 · pith_short_12: LFMWLRGSD6CN · pith_short_16: LFMWLRGSD6CNSAHG · pith_short_8: LFMWLRGS

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/LFMWLRGSD6CNSAHGLJUT7HAD5Q \
  | 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: 595965c4d21f84d900e65a693f9c03ec3bdb89f9d650c9e7bd8429afd1c4d9d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6bd7e77aa01b82632f2ce71bf497ad6a183c9a8667753c5f2c241c72306f4c9",
    "cross_cats_sorted": [
      "physics.ao-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2014-07-16T16:04:08Z",
    "title_canon_sha256": "56cb43d502a77e26a8b80a8b7deb41eb563be3623bb09ffddb1201d78f09d811"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4360",
    "kind": "arxiv",
    "version": 1
  }
}