Pith Number

pith:I5CO75BP

pith:2004:I5CO75BPKVBKUES2XCOVPCRZVH

not attested not anchored not stored refs pending

The mass of the sdB primary of the binary HS 2333+3927

B. Voss, C. Karl, D. Koester, H. Drechsel, J.-E. Solheim, M. Altmann, O. Cordes, R. Napiwotzki, R. {\O}stensen, S. Folkes, U. Heber

arxiv:astro-ph/0410230 v1 · 2004-10-08 · 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{I5CO75BPKVBKUES2XCOVPCRZVH}

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	2026-05-18T01:09:03.208427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4744eff42f5542aa125ab89d578a39a9f84a73c0c96fe1dd7ca1f7f92a781b51

Aliases

arxiv: astro-ph/0410230 · arxiv_version: astro-ph/0410230v1 · doi: 10.48550/arxiv.astro-ph/0410230 · pith_short_12: I5CO75BPKVBK · pith_short_16: I5CO75BPKVBKUES2 · pith_short_8: I5CO75BP

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/I5CO75BPKVBKUES2XCOVPCRZVH \
  | 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: 4744eff42f5542aa125ab89d578a39a9f84a73c0c96fe1dd7ca1f7f92a781b51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "228b9d79bb770b4499c156a89e165e9fc6a946552661fcc7df8d20af3760f24a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-10-08T15:58:20Z",
    "title_canon_sha256": "73e002cb216db2c15d16f67a7b79c72c3dcd9d02be5abd52d94fc6e14caae658"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0410230",
    "kind": "arxiv",
    "version": 1
  }
}