Pith Number

pith:VP7LAKIQ

pith:2019:VP7LAKIQFJGYRALBCS4CGUQDUQ

not attested not anchored not stored refs pending

Highly structured disk around the planet host PDS 70 revealed by high-angular resolution observations with ALMA

A. Juhasz, A. Mueller, A. Pohl, Ch. Ginski, D. Semenov, E. Chapillon, G. H.-M. Bertrang, G. Rosotti, H. Klahr, J. Bae, J. P. Williams, L. M. Perez, M. Benisty, M. Flock, M. Keppler, M. Samland, P. Pinilla, R. Teague, R. van Boekel, S. Facchini, T. Henning, Y. Liu

arxiv:1902.07639 v2 · 2019-02-20 · 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{VP7LAKIQFJGYRALBCS4CGUQDUQ}

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	2026-05-17T23:45:29.721398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abfeb029102a4d88816114b8235203a40a28d91b058c4b50210d3c5697b61f7f

Aliases

arxiv: 1902.07639 · arxiv_version: 1902.07639v2 · doi: 10.48550/arxiv.1902.07639 · pith_short_12: VP7LAKIQFJGY · pith_short_16: VP7LAKIQFJGYRALB · pith_short_8: VP7LAKIQ

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/VP7LAKIQFJGYRALBCS4CGUQDUQ \
  | 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: abfeb029102a4d88816114b8235203a40a28d91b058c4b50210d3c5697b61f7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afb6bd5fe406147004558efdd65363e23bccc2b964f187af31d072b40ff48820",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-02-20T16:49:13Z",
    "title_canon_sha256": "58cf9e2084b90890cacac1099c2cd73fdc3902f3024665df227c1b44dd685604"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07639",
    "kind": "arxiv",
    "version": 2
  }
}