Pith Number

pith:RL2YO2FR

pith:2020:RL2YO2FRNRAFOD3HTT4QKLI435

not attested not anchored not stored refs pending

Interferometric study on the temporal variability of the brightness distributions of protoplanetary disks

J. Kobus, R. Brunngr\"aber, S. Wolf, T. Ratzka

arxiv:2008.08374 v1 · 2020-08-19 · astro-ph.SR · 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{RL2YO2FRNRAFOD3HTT4QKLI435}

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	2026-07-05T01:44:18.001467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8af58768b16c40570f679cf9052d1cdf4a16976ea92e61237bbd4b5ffdebbf74

Aliases

arxiv: 2008.08374 · arxiv_version: 2008.08374v1 · doi: 10.48550/arxiv.2008.08374 · pith_short_12: RL2YO2FRNRAF · pith_short_16: RL2YO2FRNRAFOD3H · pith_short_8: RL2YO2FR

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/RL2YO2FRNRAFOD3HTT4QKLI435 \
  | 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: 8af58768b16c40570f679cf9052d1cdf4a16976ea92e61237bbd4b5ffdebbf74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "422e3c090a733a7b75fbcfb287ac9266bb70a69b23c686c9b7dbd60fc59c3d44",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-08-19T10:51:18Z",
    "title_canon_sha256": "54e09e76630d0db98d6927a8aea8319c9f82f56df0e4128db77671319cbfbb3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.08374",
    "kind": "arxiv",
    "version": 1
  }
}