Pith Number

pith:U3BS5QYW

pith:2018:U3BS5QYW65YENJRRZNGSYVMBXI

not attested not anchored not stored refs pending

Trapping low-mass planets at the inner edge of the protostellar disc

R. Brasser, S. Ida, S. Matsumura, T. Muto

arxiv:1808.04546 v1 · 2018-08-14 · 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{U3BS5QYW65YENJRRZNGSYVMBXI}

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	2026-05-18T00:06:37.036347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6c32ec316f77046a631cb4d2c5581ba08ed5dd39412ceb26a0685a48e1e649f

Aliases

arxiv: 1808.04546 · arxiv_version: 1808.04546v1 · doi: 10.48550/arxiv.1808.04546 · pith_short_12: U3BS5QYW65YE · pith_short_16: U3BS5QYW65YENJRR · pith_short_8: U3BS5QYW

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/U3BS5QYW65YENJRRZNGSYVMBXI \
  | 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: a6c32ec316f77046a631cb4d2c5581ba08ed5dd39412ceb26a0685a48e1e649f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b960e9681a8d4ca5c6b7a32cf0e9b3bd1cc437bb457636d9e5b7812e00b7cabf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-08-14T06:25:19Z",
    "title_canon_sha256": "c7fee90e7535c0b73596641bf1607716fca04e623b2916e0b8566dc35252f7b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.04546",
    "kind": "arxiv",
    "version": 1
  }
}