Pith Number

pith:WPBNX63C

pith:2013:WPBNX63CVTDZMFY7MBFK4EC4UN

not attested not anchored not stored refs pending

SD1000 Collaboration: Hunting down the subdwarf populations

Adela Kawka, Joris Vos, Peter Nemeth, Roy {\O}stensen, Stephane Vennes

arxiv:1308.0260 v1 · 2013-08-01 · 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{WPBNX63CVTDZMFY7MBFK4EC4UN}

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	2026-05-18T03:16:59.430853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3c2dbfb62acc796171f604aae105ca3735d6d86682aeb767188253e8c0ebdc8

Aliases

arxiv: 1308.0260 · arxiv_version: 1308.0260v1 · doi: 10.48550/arxiv.1308.0260 · pith_short_12: WPBNX63CVTDZ · pith_short_16: WPBNX63CVTDZMFY7 · pith_short_8: WPBNX63C

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/WPBNX63CVTDZMFY7MBFK4EC4UN \
  | 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: b3c2dbfb62acc796171f604aae105ca3735d6d86682aeb767188253e8c0ebdc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b0f5f56a57795bce66b12dff4ec90355c1ad49ef431036aa27a7cb2a440a492",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-08-01T16:21:56Z",
    "title_canon_sha256": "26626b2128b3312bfbb891f267ea14ea0b99f1b2aacf60abf157cd15b7b2a279"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0260",
    "kind": "arxiv",
    "version": 1
  }
}