Pith Number

pith:UKJA63BE

pith:2017:UKJA63BEBL3XJDP3YJR43OTIBE

not attested not anchored not stored refs pending

The Space Density of Post-Period Minimum Cataclysmic Variables

2), (2) University of Amsterdam, (3) South African Astronomical Observatory, 4), (4) University of Oxford, (5) University of Cape Town), B. Warner (5) ((1) University of Southampton, C. Knigge (1), J.V. Hernandez Santisteban (1, M.L. Pretorius (3, M. Sullivan (1)

arxiv:1708.09601 v2 · 2017-08-31 · 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{UKJA63BEBL3XJDP3YJR43OTIBE}

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	2026-05-18T00:24:51.776563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2920f6c240af7748dfbc263cdba680935fa6af1de1d11e5c5753a22549f11f1

Aliases

arxiv: 1708.09601 · arxiv_version: 1708.09601v2 · doi: 10.48550/arxiv.1708.09601 · pith_short_12: UKJA63BEBL3X · pith_short_16: UKJA63BEBL3XJDP3 · pith_short_8: UKJA63BE

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/UKJA63BEBL3XJDP3YJR43OTIBE \
  | 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: a2920f6c240af7748dfbc263cdba680935fa6af1de1d11e5c5753a22549f11f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1309ac5c62a84e129a38f6a20b6d3d2dab07d2b5c5c772bb85741c345ca725f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-08-31T07:55:08Z",
    "title_canon_sha256": "a8c865eae9bac37118af0a960819920d349bc2cd3822034f897e3286ad959be6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.09601",
    "kind": "arxiv",
    "version": 2
  }
}