Pith Number

pith:OJDSJ52R

pith:2019:OJDSJ52RVBPTTXU423MDW5OTKW

not attested not anchored not stored refs pending

An Ideal Testbed for Planet-disk Interaction: Two Giant Protoplanets in Resonance Shaping the PDS 70 Protoplanetary Disk

Andrea Isella, Cl\'ement Baruteau, Cornelis P. Dullemond, Jaehan Bae, Laura M. P\'erez, Miriam Keppler, Myriam Benisty, Richard Teague, Stefano Facchini, Zhaohuan Zhu

arxiv:1909.09476 v1 · 2019-09-20 · 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{OJDSJ52RVBPTTXU423MDW5OTKW}

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	2026-07-05T00:17:15.929962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

724724f751a85f39de9cd6d83b75d35597f7491be28136d817bc2af19aa4922d

Aliases

arxiv: 1909.09476 · arxiv_version: 1909.09476v1 · doi: 10.48550/arxiv.1909.09476 · pith_short_12: OJDSJ52RVBPT · pith_short_16: OJDSJ52RVBPTTXU4 · pith_short_8: OJDSJ52R

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/OJDSJ52RVBPTTXU423MDW5OTKW \
  | 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: 724724f751a85f39de9cd6d83b75d35597f7491be28136d817bc2af19aa4922d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ec71a9f0f887caffcf3f43c5a1308bdbe1d65a02f4f99036f5a6fde2ebdc928",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-09-20T13:00:19Z",
    "title_canon_sha256": "20ff37c5734056f244d22bef4b8426d57f02fb13b4a0eec92a7fd2ac4cc88716"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.09476",
    "kind": "arxiv",
    "version": 1
  }
}