Pith Number

pith:QBXGJKHS

pith:2019:QBXGJKHSTUVM2FHMYSULX77BSP

not attested not anchored not stored refs pending

Study of the Mass-Ratio Distribution of Spectroscopic Binaries. II. The Boundaries of the Brown-Dwarf Desert as Seen with the APOGEE Spectroscopic Binaries

Sahar Shahaf, Tsevi Mazeh

arxiv:1905.13239 v1 · 2019-05-30 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QBXGJKHSTUVM2FHMYSULX77BSP}

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	2026-05-17T23:43:34.057660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

806e64a8f29d2acd14ecc4a8bbffe193cfa2cb47c69947f5b6c6191635718376

Aliases

arxiv: 1905.13239 · arxiv_version: 1905.13239v1 · doi: 10.48550/arxiv.1905.13239 · pith_short_12: QBXGJKHSTUVM · pith_short_16: QBXGJKHSTUVM2FHM · pith_short_8: QBXGJKHS

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/QBXGJKHSTUVM2FHMYSULX77BSP \
  | 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: 806e64a8f29d2acd14ecc4a8bbffe193cfa2cb47c69947f5b6c6191635718376

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1744df13fffabb3a644639e4c73f95c2713b64a350f06e6348f62427ab81b8d",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-05-30T18:00:23Z",
    "title_canon_sha256": "0bcf10f63fbc22eab444a2ab638659d302c1c76a322f70442b3934888b64d74c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.13239",
    "kind": "arxiv",
    "version": 1
  }
}