Pith Number

pith:3FQB4DYV

pith:2020:3FQB4DYVTJF74LVCLUXCQTV4L3

not attested not anchored not stored refs pending

A directive based hybrid Met Office NERC Cloud model

Adrian Hill, Angus Lepper, Ben Shipway, Chris Maynard, Mich\`ele Weiland, Nick Brown

arxiv:2009.12850 v1 · 2020-09-27 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3FQB4DYVTJF74LVCLUXCQTV4L3}

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	2026-07-05T01:38:24.175578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9601e0f159a4bfe2ea25d2e284ebc5eea780164f60473960e03ff80675c3ffd

Aliases

arxiv: 2009.12850 · arxiv_version: 2009.12850v1 · doi: 10.48550/arxiv.2009.12850 · pith_short_12: 3FQB4DYVTJF7 · pith_short_16: 3FQB4DYVTJF74LVC · pith_short_8: 3FQB4DYV

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/3FQB4DYVTJF74LVCLUXCQTV4L3 \
  | 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: d9601e0f159a4bfe2ea25d2e284ebc5eea780164f60473960e03ff80675c3ffd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7331395e4f4ed05bcbf3dc78071548709e68128fe5586893f9c4fd153f57988",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2020-09-27T14:10:55Z",
    "title_canon_sha256": "cb1b0d7e9984e0ef4cd0c57a0786962bd1273f1980e2013beebc1738a16a2f5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.12850",
    "kind": "arxiv",
    "version": 1
  }
}