Pith Number

pith:3IY7DFBF

pith:2019:3IY7DFBFVBUB5LWDDSGRG73HVR

not attested not anchored not stored refs pending

Stellar rotation bifurcation caused by tidal locking in the open cluster NGC 2287?

Chengyuan Li, Licai Deng, Richard de Grijs, Weijia Sun

arxiv:1908.06531 v1 · 2019-08-18 · 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{3IY7DFBFVBUB5LWDDSGRG73HVR}

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	2026-07-05T00:48:42.646878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da31f19425a8681eaec31c8d137f67ac49196aa08dc92dacd9887f5352018725

Aliases

arxiv: 1908.06531 · arxiv_version: 1908.06531v1 · doi: 10.48550/arxiv.1908.06531 · pith_short_12: 3IY7DFBFVBUB · pith_short_16: 3IY7DFBFVBUB5LWD · pith_short_8: 3IY7DFBF

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/3IY7DFBFVBUB5LWDDSGRG73HVR \
  | 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: da31f19425a8681eaec31c8d137f67ac49196aa08dc92dacd9887f5352018725

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8624255407987a990df02075774a3643e1f383213fcd51dc71f3b571dda7c940",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-08-18T22:56:48Z",
    "title_canon_sha256": "4fa48d1f4938325fa2de3593e49c6f91db3dd60991cc92d5a00fe8e8c9bc0ef5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06531",
    "kind": "arxiv",
    "version": 1
  }
}