Pith Number

pith:E4BHAB7P

pith:2019:E4BHAB7POLI7GL7UB64ZWJZ2WO

not attested not anchored not stored refs pending

Investigating the Semiannual Oscillation on Mars using data assimilation

(2) The Open University, 3), (3) Space Science Institute, Boulder, Luca Montabone (1, Milton Keynes, Neil T. Lewis (1), Oxford, Peter L. Read (1) ((1) University of Oxford, Stephen R. Lewis (2), Tao Ruan (1), UK, USA)

arxiv:1906.06943 v1 · 2019-06-17 · astro-ph.EP · 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{E4BHAB7POLI7GL7UB64ZWJZ2WO}

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	2026-05-17T23:40:30.063344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27027007ef72d1f32ff40fb99b273ab3a4414f68b75d741896225d5860292356

Aliases

arxiv: 1906.06943 · arxiv_version: 1906.06943v1 · doi: 10.48550/arxiv.1906.06943 · pith_short_12: E4BHAB7POLI7 · pith_short_16: E4BHAB7POLI7GL7U · pith_short_8: E4BHAB7P

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/E4BHAB7POLI7GL7UB64ZWJZ2WO \
  | 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: 27027007ef72d1f32ff40fb99b273ab3a4414f68b75d741896225d5860292356

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a4a2151da574b6d6f4146a37fcd453f8e1e244b3b51475399f19282cdb1a171",
    "cross_cats_sorted": [
      "physics.ao-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-06-17T10:53:59Z",
    "title_canon_sha256": "ace48059b318924d3ddafbc9172756dcc8bbdd8f315b8ca0086c9c8ed4591baf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.06943",
    "kind": "arxiv",
    "version": 1
  }
}