Pith Number

pith:6QDSEK4O

pith:2018:6QDSEK4ODAA2MNGQULCLLNJXVS

not attested not anchored not stored refs pending

Nighttime mesospheric ozone enhancements during the 2002 southern hemispheric major stratospheric warming

Christine Smith-Johnsen, Frode Stordal, Kristell P\'erot, Varavut Limpasuvan, Yvan Orsolini

arxiv:1807.11750 v1 · 2018-07-31 · physics.space-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{6QDSEK4ODAA2MNGQULCLLNJXVS}

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	2026-05-18T00:09:21.222868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f407222b8e1801a634d0a2c4b5b537ac85bbb9813fda7ecaf45a85e6a322d0ab

Aliases

arxiv: 1807.11750 · arxiv_version: 1807.11750v1 · doi: 10.48550/arxiv.1807.11750 · pith_short_12: 6QDSEK4ODAA2 · pith_short_16: 6QDSEK4ODAA2MNGQ · pith_short_8: 6QDSEK4O

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/6QDSEK4ODAA2MNGQULCLLNJXVS \
  | 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: f407222b8e1801a634d0a2c4b5b537ac85bbb9813fda7ecaf45a85e6a322d0ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41f2d6b5c8009bc025d2b7410e0facfd1d826e729d44e8e37e7e1192256f952a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.space-ph",
    "submitted_at": "2018-07-31T10:50:22Z",
    "title_canon_sha256": "25a43b44719c07b3a0e07467fcecca55e95e0ac58955e355f07ff7576286e005"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.11750",
    "kind": "arxiv",
    "version": 1
  }
}