Pith Number

pith:Z4YKOQNK

pith:2019:Z4YKOQNKSABEQYS24DEUAFJM32

not attested not anchored not stored refs pending

New constraints on the dust and gas distribution in the LkCa 15 disk from ALMA

Andrea Isella, Hui Li, Jianghui Ji, Pinghui Huang, Sheng Jin, Shengtai Li

arxiv:1907.00571 v1 · 2019-07-01 · 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{Z4YKOQNKSABEQYS24DEUAFJM32}

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.

Cited by

1 paper in Pith

Geometry of dust rings in protoplanetary disks: the case of LkCa 15

Receipt and verification

First computed	2026-07-05T00:01:57.261549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf30a741aa900248625ae0c940152cdeb1ae9de9624faf8aa8bc848c60c3d257

Aliases

arxiv: 1907.00571 · arxiv_version: 1907.00571v1 · doi: 10.48550/arxiv.1907.00571 · pith_short_12: Z4YKOQNKSABE · pith_short_16: Z4YKOQNKSABEQYS2 · pith_short_8: Z4YKOQNK

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/Z4YKOQNKSABEQYS24DEUAFJM32 \
  | 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: cf30a741aa900248625ae0c940152cdeb1ae9de9624faf8aa8bc848c60c3d257

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75ec2d4fb3425e0c6b091fcaf27a81739b88a491d391c0d105c27e9ca2178017",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-07-01T06:55:02Z",
    "title_canon_sha256": "aaa32cec73553d4b8735f17d2bde390993d1b7c08ff00b90cd26291f11747df4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.00571",
    "kind": "arxiv",
    "version": 1
  }
}