Pith Number

pith:CZG5FVB4

pith:2018:CZG5FVB4ZIAHNMOKJ3PTJNAZZL

not attested not anchored not stored refs pending

Optical Depth and Vertical Profile of Stratospheric Aerosol based on Multi-Year Polarization Measurements of the Twilight Sky

Igor A. Maslov, Oleg S. Ugolnikov

arxiv:1807.04365 v1 · 2018-07-11 · 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{CZG5FVB4ZIAHNMOKJ3PTJNAZZL}

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	2026-05-18T00:10:53.751537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

164dd2d43cca0076b1ca4edf34b419cad8057bedfa57d816d0cda159bb208806

Aliases

arxiv: 1807.04365 · arxiv_version: 1807.04365v1 · doi: 10.48550/arxiv.1807.04365 · pith_short_12: CZG5FVB4ZIAH · pith_short_16: CZG5FVB4ZIAHNMOK · pith_short_8: CZG5FVB4

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/CZG5FVB4ZIAHNMOKJ3PTJNAZZL \
  | 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: 164dd2d43cca0076b1ca4edf34b419cad8057bedfa57d816d0cda159bb208806

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11759b35b5027e81e3ede3a7ad149b0e36b10c9d64fe2f14f825cd26242cfdae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2018-07-11T22:07:49Z",
    "title_canon_sha256": "d674311c9946bb858d18a017d5bdfd05ff23d7369cc9f3948ada7c08272fb200"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04365",
    "kind": "arxiv",
    "version": 1
  }
}