Pith Number

pith:NLCSFOJY

pith:2020:NLCSFOJYFVSBUVZOAQ7VBQBAI6

not attested not anchored not stored refs pending

Large-scale CO spiral arms and complex kinematics associated with the T Tauri star RU Lup

Andrea Isella, David J. Wilner, Jane Huang, John M. Carpenter, Jonathan P. Williams, Karin I. \"Oberg, Laura M. P\'erez, Luca Ricci, Megan Ansdell, Myriam Benisty, Sean M. Andrews, Zhaohuan Zhu

arxiv:2007.02974 v2 · 2020-07-06 · astro-ph.SR · 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{NLCSFOJYFVSBUVZOAQ7VBQBAI6}

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	2026-07-05T01:26:20.856639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ac522b9382d641a572e043f50c020478a0e81db8707f015b69d2150f547797e

Aliases

arxiv: 2007.02974 · arxiv_version: 2007.02974v2 · doi: 10.48550/arxiv.2007.02974 · pith_short_12: NLCSFOJYFVSB · pith_short_16: NLCSFOJYFVSBUVZO · pith_short_8: NLCSFOJY

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/NLCSFOJYFVSBUVZOAQ7VBQBAI6 \
  | 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: 6ac522b9382d641a572e043f50c020478a0e81db8707f015b69d2150f547797e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdf53b7dc751751e787d1f928832e8e5e33c64d1da81fef11e22f5bdab8da603",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-07-06T18:01:03Z",
    "title_canon_sha256": "5f1af600dd26651fb4963b2b7063d280c79bfc208db5ab9c598c3dc97dfde88d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.02974",
    "kind": "arxiv",
    "version": 2
  }
}