Pith Number

pith:NDE4SE4N

pith:2013:NDE4SE4N4S5WHPB5X6KLUMVHKO

not attested not anchored not stored refs pending

Masses and age of the Chemically Peculiar double-lined binary $\chi$~Lupi

ESO), F. Menard (IPAG, Gilles Duvert (IPAG), G. Zins (IPAG), Herve Beust (IPAG), Jean-Baptiste Le Bouquin (IPAG), Jean-Philippe Berger (IPAG, LFCA)

arxiv:1302.5014 v1 · 2013-02-20 · 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{NDE4SE4N4S5WHPB5X6KLUMVHKO}

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	2026-05-18T01:51:34.902169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68c9c9138de4bb63bc3dbf94ba32a753a599c41bfeee2ea20a90592d431615d5

Aliases

arxiv: 1302.5014 · arxiv_version: 1302.5014v1 · doi: 10.48550/arxiv.1302.5014 · pith_short_12: NDE4SE4N4S5W · pith_short_16: NDE4SE4N4S5WHPB5 · pith_short_8: NDE4SE4N

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/NDE4SE4N4S5WHPB5X6KLUMVHKO \
  | 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: 68c9c9138de4bb63bc3dbf94ba32a753a599c41bfeee2ea20a90592d431615d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5441d8e0ecfe26c2ed009103ab5296ac086160720f5175701cd3bb97e45ea25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-02-20T16:19:56Z",
    "title_canon_sha256": "7b23e1ddeb1317fe0e9dc7570fbc276c50f96dbf0fd16f79acbe55fff916c4d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.5014",
    "kind": "arxiv",
    "version": 1
  }
}