Pith Number

pith:GSSDVA2C

pith:2010:GSSDVA2CA2F27QG6X76R6QLROJ

not attested not anchored not stored refs pending

Effect of Magnetic Braking on the Circumstellar Disk Formation in a Strongly Magnetized Cloud

Masahiro N. Machida, Shu-ichiro Inutsuka, Tomoaki Matsumoto

arxiv:1009.2140 v2 · 2010-09-11 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GSSDVA2CA2F27QG6X76R6QLROJ}

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	2026-05-18T02:05:31.722430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34a43a8342068bafc0debffd1f4171726a3178266ac8daaa42d92e688397af0e

Aliases

arxiv: 1009.2140 · arxiv_version: 1009.2140v2 · doi: 10.48550/arxiv.1009.2140 · pith_short_12: GSSDVA2CA2F2 · pith_short_16: GSSDVA2CA2F27QG6 · pith_short_8: GSSDVA2C

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/GSSDVA2CA2F27QG6X76R6QLROJ \
  | 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: 34a43a8342068bafc0debffd1f4171726a3178266ac8daaa42d92e688397af0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b7ee5dd3e13edd8c191ad472df7e03de1806a52189fc231447e7d725c291caa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-09-11T06:07:20Z",
    "title_canon_sha256": "729c90e1fc56e7fac910835625d8a1bccecdb5e98587cb643c81caa106083324"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.2140",
    "kind": "arxiv",
    "version": 2
  }
}