Pith Number

pith:SFEUGN3E

pith:2009:SFEUGN3EIQHEEFFWOWM2HZSAUF

not attested not anchored not stored refs pending

High precision orbital and physical parameters of double-lined spectroscopic binary stars - HD78418, HD123999, HD160922, HD200077 and HD210027

K. Helminiak, M. Konacki, M. Muterspaugh, S. Kulkarni

arxiv:0910.4482 v1 · 2009-10-23 · astro-ph.SR · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SFEUGN3EIQHEEFFWOWM2HZSAUF}

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	2026-05-18T02:34:13.043033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9149433764440e4214b67599a3e640a16351169b71b9024f3ead993c05359a02

Aliases

arxiv: 0910.4482 · arxiv_version: 0910.4482v1 · doi: 10.48550/arxiv.0910.4482 · pith_short_12: SFEUGN3EIQHE · pith_short_16: SFEUGN3EIQHEEFFW · pith_short_8: SFEUGN3E

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/SFEUGN3EIQHEEFFWOWM2HZSAUF \
  | 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: 9149433764440e4214b67599a3e640a16351169b71b9024f3ead993c05359a02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35a112d8308bf1e1ba877b59e5caa9c5f71dd0b58146c759ebbaeafbef34a58d",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-10-23T11:25:27Z",
    "title_canon_sha256": "f59812151ce3bee6ea04c71a620e27dfd474fc334205196d75b9a0cf0febd6b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.4482",
    "kind": "arxiv",
    "version": 1
  }
}