Pith Number

pith:RZAYLI2M

pith:2019:RZAYLI2M65VRCZU5D5P7IFUBLB

not attested not anchored not stored refs pending

Gridspec: A standard for the description of grids used in Earth System models

Alistair Adcroft, Venkatramani Balaji, Zhi Liang

arxiv:1911.08638 v1 · 2019-05-28 · physics.ao-ph · physics.comp-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{RZAYLI2M65VRCZU5D5P7IFUBLB}

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	2026-07-05T00:20:34.522470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e4185a34cf76b11669d1f5ff4168158678c6622f52d5162965243ec6309f73e

Aliases

arxiv: 1911.08638 · arxiv_version: 1911.08638v1 · doi: 10.48550/arxiv.1911.08638 · pith_short_12: RZAYLI2M65VR · pith_short_16: RZAYLI2M65VRCZU5 · pith_short_8: RZAYLI2M

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/RZAYLI2M65VRCZU5D5P7IFUBLB \
  | 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: 8e4185a34cf76b11669d1f5ff4168158678c6622f52d5162965243ec6309f73e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b41fe7003841e891498efec77f755ce75a3a09ed8a1e7a06051d2c2a58578388",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2019-05-28T18:41:47Z",
    "title_canon_sha256": "ca24da4baf67412cd00511b0ff00d466133e6f94027f72a057ec52d03124f2df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.08638",
    "kind": "arxiv",
    "version": 1
  }
}