Pith Number

pith:FCUHT4FU

pith:2019:FCUHT4FUAFBY24NXA64SSLBECU

not attested not anchored not stored refs pending

Tidal-locking-induced stellar rotation dichotomy in the open cluster NGC 2287?

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

arxiv:1908.06530 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{FCUHT4FUAFBY24NXA64SSLBECU}

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	2026-07-05T00:10:41.921704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28a879f0b401438d71b707b9292c2415374401b65de67ae068096d47193fc6dd

Aliases

arxiv: 1908.06530 · arxiv_version: 1908.06530v1 · doi: 10.48550/arxiv.1908.06530 · pith_short_12: FCUHT4FUAFBY · pith_short_16: FCUHT4FUAFBY24NX · pith_short_8: FCUHT4FU

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/FCUHT4FUAFBY24NXA64SSLBECU \
  | 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: 28a879f0b401438d71b707b9292c2415374401b65de67ae068096d47193fc6dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "422c6e3d56c6cf45c6f33e29ecccf611fc33b44dbf5e489592a0ef4613c9ad7e",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-08-18T22:51:34Z",
    "title_canon_sha256": "1b581f0112c6a56fbed12b41e586f7145692ccec381bff9c8632f7f11e6fff79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06530",
    "kind": "arxiv",
    "version": 1
  }
}