Pith Number

pith:KKOJR56Q

pith:2015:KKOJR56QJ4QRZAXYJQWWELAPJK

not attested not anchored not stored refs pending

PHL 1445: An eclipsing cataclysmic variable with a substellar donor near the period minimum

(2) Department of Physics, (3) Department of Physics, (4) Astrophysics Research Institute, (5) Departmento de Fisica y Astronomia, (6) Department of Physical Sciences, (7) Department of Physics, Astronomy, Australia), C. D. J. Savoury (1), Chile, C. M. Copperwheat (4), Coventry, D. I. Sahman (1), E. Breedt (3), Exeter, I. Baraffe (2), J. Bento (7), J. Bochinski (6), J. W. Rostron (3), Liverpool, Liverpool John Moores University, L. K. Hardy (1), Macquarie University, M. C. P. Bours (3), Milton Keynes, M. J. McAllister (1), P. Kerry (1), R. L. Tunnicliffe (3) ((1) Department of Physics, S. G. Parsons (5), Sheffield, S. P. Littlefair (1), The Open University, T. R. Marsh (3), UK, Universidad de Valparaiso, University of Exeter, University of Sheffield, University of Warwick, Valparaiso, V. S. Dhillon (1)

arxiv:1504.07899 v1 · 2015-04-29 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KKOJR56QJ4QRZAXYJQWWELAPJK}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:03:32.353280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

529c98f7d04f211c82f84c2d622c0f4aa972e88ab6425e55200a4d5f56eb02ae

Aliases

arxiv: 1504.07899 · arxiv_version: 1504.07899v1 · doi: 10.48550/arxiv.1504.07899 · pith_short_12: KKOJR56QJ4QR · pith_short_16: KKOJR56QJ4QRZAXY · pith_short_8: KKOJR56Q

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/KKOJR56QJ4QRZAXYJQWWELAPJK \
  | 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: 529c98f7d04f211c82f84c2d622c0f4aa972e88ab6425e55200a4d5f56eb02ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9e2f3810e113385b950463369271cd547ea69f38976ce64b3bd0c9a5498c82e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-04-29T15:45:10Z",
    "title_canon_sha256": "2d4d7c7224f418f1d6057a88ac9c926bbb61d61b2340c18de101091b4ef97eed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07899",
    "kind": "arxiv",
    "version": 1
  }
}