Pith Number

pith:SUDOG5OB

pith:2025:SUDOG5OBZ5DABZES6Z5JK6YOUR

not attested not anchored not stored refs pending

Thermally driven spontaneous dust accumulation in the inner regions of protoplanetary disks

Ryo Kato, Satoshi Okuzumi, Takahiro Ueda

arxiv:2504.09166 v1 · 2025-04-12 · 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{SUDOG5OBZ5DABZES6Z5JK6YOUR}

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	2026-07-05T10:48:32.585050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9506e375c1cf4600e492f67a957b0ea471c2aeb43f7a888bb075717fe3628b8c

Aliases

arxiv: 2504.09166 · arxiv_version: 2504.09166v1 · doi: 10.48550/arxiv.2504.09166 · pith_short_12: SUDOG5OBZ5DA · pith_short_16: SUDOG5OBZ5DABZES · pith_short_8: SUDOG5OB

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/SUDOG5OBZ5DABZES6Z5JK6YOUR \
  | 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: 9506e375c1cf4600e492f67a957b0ea471c2aeb43f7a888bb075717fe3628b8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08948217ac8c1682a5acddb16da77e2ffa6233e9038ccfd915e46357fb3fd022",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-04-12T10:03:01Z",
    "title_canon_sha256": "0a84864158367bd8d077a2c1064a8d3a61420d32ce11bae476262472e409937e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.09166",
    "kind": "arxiv",
    "version": 1
  }
}