Pith Number

pith:WL3DP7J3

pith:2013:WL3DP7J36OE3NIIMFDU2LO4C4J

not attested not anchored not stored refs pending

Finding compact hot subdwarf binaries in the Galactic disc

A. Faye McLeod, A. Shporer, B. J. Fulton, C. Heuser, E. Ziegerer, J. H. Telting, K. Verbeek, P. J. Groot, P. Nemeth, R. {\O}stensen, R. W. Wilson, S. Geier, S. P. Littlefair, T. Butterley, T. Kupfer, U. Heber, V. Schaffenroth, V. S. Dhillon

arxiv:1308.2447 v2 · 2013-08-12 · 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{WL3DP7J36OE3NIIMFDU2LO4C4J}

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	2026-05-18T03:16:05.520889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2f637fd3bf389b6a10c28e9a5bb82e256ee0d157a473718743f692e803afad5

Aliases

arxiv: 1308.2447 · arxiv_version: 1308.2447v2 · doi: 10.48550/arxiv.1308.2447 · pith_short_12: WL3DP7J36OE3 · pith_short_16: WL3DP7J36OE3NIIM · pith_short_8: WL3DP7J3

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/WL3DP7J36OE3NIIMFDU2LO4C4J \
  | 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: b2f637fd3bf389b6a10c28e9a5bb82e256ee0d157a473718743f692e803afad5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b083805a350dc4e622032c62949ea94564ad7896662a8e6fc9a4fd135e438d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-08-12T02:16:56Z",
    "title_canon_sha256": "37fc7b7eb35c14fc04c85188a42b63e44c98393aefc4f1ddcd5c4fc4b40b4ece"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.2447",
    "kind": "arxiv",
    "version": 2
  }
}