Pith Number

pith:HTSC3TDN

pith:2015:HTSC3TDNMFWOCV25LINR7VHCBC

not attested not anchored not stored refs pending

Impact of the initial disk mass function on the disk fraction

Chikako Yasui, Ryou Ohsawa, Takashi Onaka

arxiv:1509.02280 v1 · 2015-09-08 · 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{HTSC3TDNMFWOCV25LINR7VHCBC}

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	2026-05-18T01:29:44.790756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ce42dcc6d616ce1575d5a1b1fd4e208a263d3c79a33169737ee83c7954cf991

Aliases

arxiv: 1509.02280 · arxiv_version: 1509.02280v1 · doi: 10.48550/arxiv.1509.02280 · pith_short_12: HTSC3TDNMFWO · pith_short_16: HTSC3TDNMFWOCV25 · pith_short_8: HTSC3TDN

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/HTSC3TDNMFWOCV25LINR7VHCBC \
  | 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: 3ce42dcc6d616ce1575d5a1b1fd4e208a263d3c79a33169737ee83c7954cf991

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ece88a580fae77009f6af4723b7bd43935504b07c4af4612a8fe5b27d27d15b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-09-08T08:21:35Z",
    "title_canon_sha256": "2d3776887c507208f8410dcceef43ccb6f1c6a987183974dfe8e4859561abc5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.02280",
    "kind": "arxiv",
    "version": 1
  }
}