Pith Number

pith:VA2DHUNR

pith:2019:VA2DHUNRSW6K4H3KBAF72QYH7R

not attested not anchored not stored refs pending

On the planetary interpretation of multiple gaps and rings in protoplanetary disks seen by ALMA

2) ((1) IAS, (2) DAMTP, Cambridge), Roman R. Rafikov (1, Ryan Miranda (1)

arxiv:1905.08259 v1 · 2019-05-20 · 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{VA2DHUNRSW6K4H3KBAF72QYH7R}

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	2026-05-17T23:43:34.204745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a83433d1b195bcae1f6a080bfd4307fc484033e1ac5d1c0644978a684bb3a75a

Aliases

arxiv: 1905.08259 · arxiv_version: 1905.08259v1 · doi: 10.48550/arxiv.1905.08259 · pith_short_12: VA2DHUNRSW6K · pith_short_16: VA2DHUNRSW6K4H3K · pith_short_8: VA2DHUNR

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/VA2DHUNRSW6K4H3KBAF72QYH7R \
  | 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: a83433d1b195bcae1f6a080bfd4307fc484033e1ac5d1c0644978a684bb3a75a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "745b19b235dc7a903d2d566bb7da807ac91ecee7d495e70a4a840d1d8cf2476e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-05-20T18:00:02Z",
    "title_canon_sha256": "970aa35b477fee70a890b838fb79e81e3dfb77ee0f342ab07750d86e6a2cc257"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.08259",
    "kind": "arxiv",
    "version": 1
  }
}