Pith Number

pith:BSCAMO6N

pith:2010:BSCAMO6N4BIVPY3OVCWFBVSZC4

not attested not anchored not stored refs pending

New Rotation Periods in the Open Cluster NGC 1039 (M 34), and a Derivation of its Gyrochronology Age

Aaron Steinhauer, Briana K. Hurley, Constantine Deliyannis, David J. James, Imants Platais, Soren Meibom, Stephen E. Levine, Sydney A. Barnes, Wesley Lockwood

arxiv:1004.0047 v1 · 2010-04-01 · 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{BSCAMO6N4BIVPY3OVCWFBVSZC4}

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	2026-05-18T02:08:15.206887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c84063bcde05157e36ea8ac50d6591717b7ad88393dc0053d06f55230f52477

Aliases

arxiv: 1004.0047 · arxiv_version: 1004.0047v1 · doi: 10.48550/arxiv.1004.0047 · pith_short_12: BSCAMO6N4BIV · pith_short_16: BSCAMO6N4BIVPY3O · pith_short_8: BSCAMO6N

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/BSCAMO6N4BIVPY3OVCWFBVSZC4 \
  | 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: 0c84063bcde05157e36ea8ac50d6591717b7ad88393dc0053d06f55230f52477

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2e66f6ecd4236f7d8b47b517510a2e5a9c95f0cccbd805b381092ec155ec3f6",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-04-01T03:23:37Z",
    "title_canon_sha256": "4b7ab1400644869d3720f2febb65914386876ec5137df46df2d9ced834dfbecc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.0047",
    "kind": "arxiv",
    "version": 1
  }
}