Pith Number

pith:YJQYEMCX

pith:2017:YJQYEMCX72BV4BHXYGA5SBNPRU

not attested not anchored not stored refs pending

Fates of the dense cores formed by fragmentation of filaments: do they fragment again or not?

Kazuyuki Omukai, Kazuyuki Sugimura, Tomoaki Matsumoto, Yurina Mizuno

arxiv:1704.08441 v1 · 2017-04-27 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YJQYEMCX72BV4BHXYGA5SBNPRU}

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	2026-05-18T00:41:33.388642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c261823057fe835e04f7c181d905af8d1955bee7c5d1790f7ccc6d9eb2c40d08

Aliases

arxiv: 1704.08441 · arxiv_version: 1704.08441v1 · doi: 10.48550/arxiv.1704.08441 · pith_short_12: YJQYEMCX72BV · pith_short_16: YJQYEMCX72BV4BHX · pith_short_8: YJQYEMCX

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/YJQYEMCX72BV4BHXYGA5SBNPRU \
  | 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: c261823057fe835e04f7c181d905af8d1955bee7c5d1790f7ccc6d9eb2c40d08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "190bb9580fdf903d9dda8267305681ce064ecc8924f8bb8c56688f3b1dec23b3",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-04-27T06:04:23Z",
    "title_canon_sha256": "c2f7cb7c2daaf5eb8185654a661589b21db258eac7e3e9a7df02477f1b5e04d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08441",
    "kind": "arxiv",
    "version": 1
  }
}