Pith Number

pith:PSDEQMQ7

pith:2019:PSDEQMQ7DFQNGLGQCWN5DJ74GR

not attested not anchored not stored refs pending

Long Term Trends in Atmospheric Pressure and its Variance

J. I. Katz, T. A. Howells

arxiv:1902.01307 v1 · 2019-02-04 · 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{PSDEQMQ7DFQNGLGQCWN5DJ74GR}

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	2026-05-17T23:54:49.193662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c8648321f1960d32cd0159bd1a7fc3444f3cb2baa4f4e80086cf369aa75a99c

Aliases

arxiv: 1902.01307 · arxiv_version: 1902.01307v1 · doi: 10.48550/arxiv.1902.01307 · pith_short_12: PSDEQMQ7DFQN · pith_short_16: PSDEQMQ7DFQNGLGQ · pith_short_8: PSDEQMQ7

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/PSDEQMQ7DFQNGLGQCWN5DJ74GR \
  | 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: 7c8648321f1960d32cd0159bd1a7fc3444f3cb2baa4f4e80086cf369aa75a99c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26b85dd175bf953efab6673a58d757d7fec012a56b6ab77b78eb48501444b587",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2019-02-04T17:00:02Z",
    "title_canon_sha256": "1486bdc645832d0e27ed3f71d9d9d695e459ceba98f28c5c623de75ee84b970e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01307",
    "kind": "arxiv",
    "version": 1
  }
}