Pith Number

pith:6WKGMS4C

pith:2007:6WKGMS4CCVCC3JH26D6TR3L54Z

not attested not anchored not stored refs pending

The O-C diagram of the subdwarf B pulsating star HS2201+2610: detection of a giant planet?

A. Bonanno, B. Mignemi, I. Bruni, J.-E. Solheim, R. Gualandi, R. Janulis, R. Ostensen, R. Silvotti, S. Bernabei, S. Schuh, the Whole Earth Telescope Xcov23 collaboration, T. Oswalt

arxiv:astro-ph/0703753 v1 · 2007-03-29 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6WKGMS4CCVCC3JH26D6TR3L54Z}

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	2026-07-04T15:00:38.234864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f594664b8215442da4faf0fd38ed7de66313da2debda02854d7d0b2db9d37754

Aliases

arxiv: astro-ph/0703753 · arxiv_version: astro-ph/0703753v1 · doi: 10.48550/arxiv.astro-ph/0703753 · pith_short_12: 6WKGMS4CCVCC · pith_short_16: 6WKGMS4CCVCC3JH2 · pith_short_8: 6WKGMS4C

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/6WKGMS4CCVCC3JH26D6TR3L54Z \
  | 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: f594664b8215442da4faf0fd38ed7de66313da2debda02854d7d0b2db9d37754

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b6618a8e3d6e04c20ed8aeb9b372b0de2d3f83cf8d31c946ade293789019b49",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-03-29T09:23:39Z",
    "title_canon_sha256": "7b0880d34afee49e6d10cf11047b12df627a966b08203a3fc8780f3ca2bfc00c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0703753",
    "kind": "arxiv",
    "version": 1
  }
}