Pith Number

pith:IU4BCZV5

pith:1995:IU4BCZV5M2XJH3RHTEKGHR3G2X

not attested not anchored not stored refs pending

Dust as the cause of spots on Jupiter

G.B. Field G. P. Tozzi, R. M. Stanga

arxiv:astro-ph/9501021 v1 · 1995-01-09 · astro-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{IU4BCZV5M2XJH3RHTEKGHR3G2X}

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	2026-05-18T01:07:42.821508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45381166bd66ae93ee27991463c766d5c061d97cd450de3b424dacc49fafaf7f

Aliases

arxiv: astro-ph/9501021 · arxiv_version: astro-ph/9501021v1 · doi: 10.48550/arxiv.astro-ph/9501021 · pith_short_12: IU4BCZV5M2XJ · pith_short_16: IU4BCZV5M2XJH3RH · pith_short_8: IU4BCZV5

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/IU4BCZV5M2XJH3RHTEKGHR3G2X \
  | 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: 45381166bd66ae93ee27991463c766d5c061d97cd450de3b424dacc49fafaf7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "466799513a43d3c27462ed183152a3c5ec4ec8ffed177d1e2703ef788bacce22",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-01-09T12:16:20Z",
    "title_canon_sha256": "d8200732e16db281eed08afda38a3f52f713f162cdef3ef7d641ec096af5dcda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9501021",
    "kind": "arxiv",
    "version": 1
  }
}