Pith Number

pith:VGAMHNO5

pith:2015:VGAMHNO5D4OBOM25VYIRZSEVZN

not attested not anchored not stored refs pending

New binaries among UV-selected, hot subdwarf stars and population properties

A. Kawka, D.A.H. Buckley, D. Burton, E. Kotze, P. Nemeth, S. O'Toole, S. Vennes

arxiv:1504.03241 v1 · 2015-04-13 · 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{VGAMHNO5D4OBOM25VYIRZSEVZN}

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	2026-05-18T02:03:32.908066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a980c3b5dd1f1c17335dae111cc895cb7db59b649923c9e25ec774243c36dfa8

Aliases

arxiv: 1504.03241 · arxiv_version: 1504.03241v1 · doi: 10.48550/arxiv.1504.03241 · pith_short_12: VGAMHNO5D4OB · pith_short_16: VGAMHNO5D4OBOM25 · pith_short_8: VGAMHNO5

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/VGAMHNO5D4OBOM25VYIRZSEVZN \
  | 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: a980c3b5dd1f1c17335dae111cc895cb7db59b649923c9e25ec774243c36dfa8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8cb0d8ddbe9d342302187be5ece34be0ba3113e32a900ab1d6f4c6ca8787715",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-04-13T16:15:48Z",
    "title_canon_sha256": "808cabffd53a3de4cae5e1a856be8f10e04cdd5e5c90cb85546fbba57c3b4c13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03241",
    "kind": "arxiv",
    "version": 1
  }
}