Pith Number

pith:VTGGMQDA

pith:2020:VTGGMQDAKCG6GYL4356RXFQJVS

not attested not anchored not stored refs pending

Gap, shadows, spirals, streamers: SPHERE observations of binary-disk interactions in GG Tau A

A. Boccaletti, A. Garufi, A.-L. Maire, A. Penzlin, A. Zurlo, C. Dominik, C. Ginski, Ch. Pinte, E. Pantin, F. Madec, F. M\'enard, F. Wildi, G. Chauvin, G. H.-M. Bertrang, G. Lodato, J. de Boer, J. Szul\'agyi, M. Benisty, M. Bonavita, M. Feldt, M. Janson, M. Keppler, M. Langlois, M. Villenave, P. Feautrier, P. Rabou, P. Thebault, R. G. van Holstein, R. van Boekel, S. Brown Sevilla, T. Henning, T. Stolker, W. Brandner, W. Kley

arxiv:2005.09037 v2 · 2020-05-18 · astro-ph.SR · astro-ph.EP · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VTGGMQDAKCG6GYL4356RXFQJVS}

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	2026-07-05T01:16:52.101121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

accc664060508de3617cdf7d1b9609aca87a83a823a57a6c609e70b0ff0d14c2

Aliases

arxiv: 2005.09037 · arxiv_version: 2005.09037v2 · doi: 10.48550/arxiv.2005.09037 · pith_short_12: VTGGMQDAKCG6 · pith_short_16: VTGGMQDAKCG6GYL4 · pith_short_8: VTGGMQDA

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/VTGGMQDAKCG6GYL4356RXFQJVS \
  | 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: accc664060508de3617cdf7d1b9609aca87a83a823a57a6c609e70b0ff0d14c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37d18e2dabeb3b8e0b8da51a0a6f7f3afa49517c148b221188878e160097dd91",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-05-18T19:14:10Z",
    "title_canon_sha256": "cfd0fce253ba45111fa62dce4299cdc2225ea8d4de2e144afa37251b7e976ce4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.09037",
    "kind": "arxiv",
    "version": 2
  }
}