Pith Number

pith:Z7ZCBCDN

pith:2011:Z7ZCBCDN23IDZOZNXLB4LZ4IMB

not attested not anchored not stored refs pending

Rotation periods for very low mass stars in Praesepe

Aleks Scholz (DIAS), Brigitta M. Sipocz (University of Hertfordshire), Jerome Bouvier (LAOG), Jochen Eisloeffel (TLS Tautenburg), Jonathan Irwin (CfA Harvard), Simon Hodgkin (University of Cambridge)

arxiv:1101.1967 v1 · 2011-01-10 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z7ZCBCDN23IDZOZNXLB4LZ4IMB}

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	2026-05-18T02:03:43.292845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cff220886dd6d03cbb2dbac3c5e788605bb4e9a657e5e5c2f0fac51a6c425ae7

Aliases

arxiv: 1101.1967 · arxiv_version: 1101.1967v1 · doi: 10.48550/arxiv.1101.1967 · pith_short_12: Z7ZCBCDN23ID · pith_short_16: Z7ZCBCDN23IDZOZN · pith_short_8: Z7ZCBCDN

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/Z7ZCBCDN23IDZOZNXLB4LZ4IMB \
  | 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: cff220886dd6d03cbb2dbac3c5e788605bb4e9a657e5e5c2f0fac51a6c425ae7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d50953dd224e4189e81e47c7c32d1ea4781227dc93cc11af8d55974645e1b365",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-01-10T21:04:43Z",
    "title_canon_sha256": "74a0370dcc185eb77e4d1747d1d01229ef60b874eecdb6c44be8061b5737a66f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1967",
    "kind": "arxiv",
    "version": 1
  }
}