Pith Number

pith:2IRXLKXE

pith:2019:2IRXLKXE7UZNYHFZVKSQGAL3EG

not attested not anchored not stored refs pending

Shadowing and multiple rings in the protoplanetary disk of HD 139614

A. Garufi, A. Matter, A. Roux, A. Sevin, A. Zurlo, C. Dominik, C. Ginski, C. Petit, D. Maurel, F. M\'enard, F. Wildi, G. A. Muro-Arena, G. Chauvin, M. Benisty, M. Janson, M. Keppler, M. Villenave, O. Moeller-Nilsson, P. Blanchard, R. van Boekel, S. Facchini, T. Henning, T. Stolker

arxiv:1911.09612 v1 · 2019-11-21 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2IRXLKXE7UZNYHFZVKSQGAL3EG}

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	2026-07-05T00:50:09.866568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d22375aae4fd32dc1cb9aaa503017b2182880448f9fc40be6b162ac3f83a50ab

Aliases

arxiv: 1911.09612 · arxiv_version: 1911.09612v1 · doi: 10.48550/arxiv.1911.09612 · pith_short_12: 2IRXLKXE7UZN · pith_short_16: 2IRXLKXE7UZNYHFZ · pith_short_8: 2IRXLKXE

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/2IRXLKXE7UZNYHFZVKSQGAL3EG \
  | 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: d22375aae4fd32dc1cb9aaa503017b2182880448f9fc40be6b162ac3f83a50ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1a9de72a49151d0aa0604d0773e79de299626c8c64ea223244bcccbec24eec9",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-11-21T17:11:56Z",
    "title_canon_sha256": "8045af8f7c899221e713f6a8cb477a328a0c53109f3e4acf536480d3b7adbbcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.09612",
    "kind": "arxiv",
    "version": 1
  }
}