Pith Number

pith:UK36T6AO

pith:2019:UK36T6AOSUIQPUSIUZU3MFILFO

not attested not anchored not stored refs pending

Preliminary model of the outer disk of RU Lup presently showing only four dark gaps

Demosthenes Kazanas, Dimitris M. Christodoulou

arxiv:1902.01222 v2 · 2019-02-01 · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UK36T6AOSUIQPUSIUZU3MFILFO}

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	2026-05-17T23:52:14.738081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2b7e9f80e951107d248a669b6150b2b9d87c2a7bb8c9f8c9e41161765ae6937

Aliases

arxiv: 1902.01222 · arxiv_version: 1902.01222v2 · doi: 10.48550/arxiv.1902.01222 · pith_short_12: UK36T6AOSUIQ · pith_short_16: UK36T6AOSUIQPUSI · pith_short_8: UK36T6AO

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/UK36T6AOSUIQPUSIUZU3MFILFO \
  | 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: a2b7e9f80e951107d248a669b6150b2b9d87c2a7bb8c9f8c9e41161765ae6937

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8071e4af498cf75c6271cc0d985202fb05469e8cd9d48efe5125dc919ba87260",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-02-01T04:13:55Z",
    "title_canon_sha256": "2d5f46af82bef1bec88a1ca012933288f4e53ac608b8a0db7b42b81cddb38ab6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01222",
    "kind": "arxiv",
    "version": 2
  }
}