Pith Number

pith:DH7UBSGX

pith:2013:DH7UBSGXYYSLXFVBUC4UMZMEL7

not attested not anchored not stored refs pending

Long period sdB + MS binaries with Mercator

H. Van Winckel, J. Vos, R.H. {\O}stensen

arxiv:1310.0189 v1 · 2013-10-01 · 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{DH7UBSGXYYSLXFVBUC4UMZMEL7}

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	2026-05-18T03:11:45.226139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19ff40c8d7c624bb96a1a0b94665845fc48e2a949a75c0af7f98421eeb3c8d77

Aliases

arxiv: 1310.0189 · arxiv_version: 1310.0189v1 · doi: 10.48550/arxiv.1310.0189 · pith_short_12: DH7UBSGXYYSL · pith_short_16: DH7UBSGXYYSLXFVB · pith_short_8: DH7UBSGX

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/DH7UBSGXYYSLXFVBUC4UMZMEL7 \
  | 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: 19ff40c8d7c624bb96a1a0b94665845fc48e2a949a75c0af7f98421eeb3c8d77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87f656febb819c3d5a2a35490c4318b9fc468f5e375a8e5c0f532d0c350414a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-10-01T08:50:51Z",
    "title_canon_sha256": "9460af02e43537a64f1640650a165e7731a8158d471367d8aad3630a44c87f57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.0189",
    "kind": "arxiv",
    "version": 1
  }
}