Pith Number

pith:3FSB75TF

pith:2009:3FSB75TFIMTWDHCWZSAR4QA7SR

not attested not anchored not stored refs pending

The mass ratio and the orbital parameters of the sdOB binary AA Doradus

Slavek M. Rucinski

arxiv:0902.4853 v1 · 2009-02-27 · 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{3FSB75TFIMTWDHCWZSAR4QA7SR}

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	2026-07-04T17:14:29.839386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9641ff6654327619c56cc811e401f9442f62756c806fcd1ffa2aa9e9897e9cf

Aliases

arxiv: 0902.4853 · arxiv_version: 0902.4853v1 · doi: 10.48550/arxiv.0902.4853 · pith_short_12: 3FSB75TFIMTW · pith_short_16: 3FSB75TFIMTWDHCW · pith_short_8: 3FSB75TF

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/3FSB75TFIMTWDHCWZSAR4QA7SR \
  | 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: d9641ff6654327619c56cc811e401f9442f62756c806fcd1ffa2aa9e9897e9cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b05dc19042cf1e2b465f222456bf2af1ce4657cb369095df3095208af610df8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-02-27T15:56:05Z",
    "title_canon_sha256": "daecfbc3fd073f883355b65016f47c77ddb367e6260864ac81fa264d0bb461ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.4853",
    "kind": "arxiv",
    "version": 1
  }
}