Pith Number

pith:2KFJNLSW

pith:2026:2KFJNLSWFN57UIZA4ZTMRNFZAU

not attested not anchored not stored refs pending

Evolution of compressed clouds formed by filament coalescence. I. Oblique collisions

Kazunari Iwasaki, Kohji Tomisaka, Raiga Kashiwagi, Tsuyoshi Inoue

arxiv:2605.20835 v1 · 2026-05-20 · 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{2KFJNLSWFN57UIZA4ZTMRNFZAU}

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	2026-05-21T01:05:23.779207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d28a96ae562b7bfa2320e666c8b4b90537c04b5471f380d8386ef027e8cacad3

Aliases

arxiv: 2605.20835 · arxiv_version: 2605.20835v1 · doi: 10.48550/arxiv.2605.20835 · pith_short_12: 2KFJNLSWFN57 · pith_short_16: 2KFJNLSWFN57UIZA · pith_short_8: 2KFJNLSW

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/2KFJNLSWFN57UIZA4ZTMRNFZAU \
  | 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: d28a96ae562b7bfa2320e666c8b4b90537c04b5471f380d8386ef027e8cacad3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ac1d21964fa50ee65136ca1fbdb0f9c863468e05ce882ad5c03efe969945528",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-05-20T07:26:59Z",
    "title_canon_sha256": "d517dd94b94bab3d498fecffbca706395d26a12102a6aeb74293c174b9fcaf79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20835",
    "kind": "arxiv",
    "version": 1
  }
}