Pith Number

pith:425TOPCK

pith:2021:425TOPCKOS6WDNP25QGFR2JT5G

not attested not anchored not stored refs pending

Thermal Wave Instability as an Origin of Gap and Ring Structures in Protoplanetary Disks

Mario Flock, Takahiro Ueda, Tilman Birnstiel

arxiv:2105.13852 v1 · 2021-05-28 · 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{425TOPCKOS6WDNP25QGFR2JT5G}

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	2026-07-05T02:53:45.874090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6bb373c4a74bd61b5faec0c58e933e9b940f101bdb2d6e2ade66002753ab10b

Aliases

arxiv: 2105.13852 · arxiv_version: 2105.13852v1 · doi: 10.48550/arxiv.2105.13852 · pith_short_12: 425TOPCKOS6W · pith_short_16: 425TOPCKOS6WDNP2 · pith_short_8: 425TOPCK

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/425TOPCKOS6WDNP25QGFR2JT5G \
  | 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: e6bb373c4a74bd61b5faec0c58e933e9b940f101bdb2d6e2ade66002753ab10b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e2f1840009d80f78015dbe627e67c467df9392228ddd110fef9b9a1799e8b5a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-05-28T14:08:07Z",
    "title_canon_sha256": "7e56f021165dc3fde0cfa3de2adac0e9451cf48a6971d881c27cc0b7c2aa53f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.13852",
    "kind": "arxiv",
    "version": 1
  }
}