Pith Number

pith:Z5EXPM4Y

pith:2012:Z5EXPM4YHGAVZEGT73SVLQ5ULM

not attested not anchored not stored refs pending

A Radial Velocity Study of Composite-Spectra Hot Subdwarf Stars with the Hobby-Eberly Telescope

Brad N. Barlow, Hans Van Winckel, Richard A. Wade, Roy H. {\O}stensen, Sandra E. Liss

arxiv:1208.4359 v2 · 2012-08-21 · 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{Z5EXPM4YHGAVZEGT73SVLQ5ULM}

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	2026-05-18T01:55:00.126719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf4977b39839815c90d3fee555c3b45b0c53daf61b262e2307a84f3a561a95e3

Aliases

arxiv: 1208.4359 · arxiv_version: 1208.4359v2 · doi: 10.48550/arxiv.1208.4359 · pith_short_12: Z5EXPM4YHGAV · pith_short_16: Z5EXPM4YHGAVZEGT · pith_short_8: Z5EXPM4Y

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/Z5EXPM4YHGAVZEGT73SVLQ5ULM \
  | 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: cf4977b39839815c90d3fee555c3b45b0c53daf61b262e2307a84f3a561a95e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e6f20aab6e3cb2528403715f892ec7e61d420fa3486285724c0ef37cad7cad4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-08-21T20:00:00Z",
    "title_canon_sha256": "2ade05e053072ed3afb53eb5a6c293272ed525c0adb6e8ae9081e6c2f6f36b19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4359",
    "kind": "arxiv",
    "version": 2
  }
}