Pith Number

pith:HWCWYAXA

pith:2018:HWCWYAXAOS5TKATDWS7LS7KP5P

not attested not anchored not stored refs pending

The alignment is in their stars: on the spin-alignment of stars in star clusters

Justin Read, Ramon Rey-Raposo

arxiv:1808.02830 v1 · 2018-08-08 · 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{HWCWYAXAOS5TKATDWS7LS7KP5P}

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	2026-05-18T00:07:39.950205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d856c02e074bb350263b4beb97d4febeddb2974de2e80c5d1cca14ca5b6c26f

Aliases

arxiv: 1808.02830 · arxiv_version: 1808.02830v1 · doi: 10.48550/arxiv.1808.02830 · pith_short_12: HWCWYAXAOS5T · pith_short_16: HWCWYAXAOS5TKATD · pith_short_8: HWCWYAXA

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/HWCWYAXAOS5TKATDWS7LS7KP5P \
  | 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: 3d856c02e074bb350263b4beb97d4febeddb2974de2e80c5d1cca14ca5b6c26f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a490e365573c1f31be173ae727f74934f30ba5def5f5dcf0c3d79f9f5010d9c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-08-08T15:44:40Z",
    "title_canon_sha256": "3ea69cbb79d585061c31dba597b3e10e30b80d480028fd6dd5780d5ce424491a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02830",
    "kind": "arxiv",
    "version": 1
  }
}