Pith Number

pith:OW6GIACU

pith:2026:OW6GIACUY65YFT6QIL47PFC3JG

not attested not anchored not stored refs pending

The Origin of Spin-Alignment of Dark Matter Subhalos

Daiki Osafune, Keiichi Wada, Takashi Okamoto, Tomoaki Ishiyama

arxiv:2601.02678 v2 · 2026-01-06 · 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{OW6GIACUY65YFT6QIL47PFC3JG}

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	2026-05-26T02:04:02.346514Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75bc640054c7bb82cfd042f9f7945b499083e33424ae291bc44405bf2cb076db

Aliases

arxiv: 2601.02678 · arxiv_version: 2601.02678v2 · doi: 10.48550/arxiv.2601.02678 · pith_short_12: OW6GIACUY65Y · pith_short_16: OW6GIACUY65YFT6Q · pith_short_8: OW6GIACU

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/OW6GIACUY65YFT6QIL47PFC3JG \
  | 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: 75bc640054c7bb82cfd042f9f7945b499083e33424ae291bc44405bf2cb076db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ce55c15333fb0d0e25be12766e57b77c43f510832a7535512826ac6d6149fcf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-01-06T03:24:51Z",
    "title_canon_sha256": "8bd5c04668a73e4557567f487b9a2e91cedada95ce178ec315ded5d1bc1d8e1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.02678",
    "kind": "arxiv",
    "version": 2
  }
}