Pith Number

pith:P7OLKRXR

pith:2014:P7OLKRXRUUQ7D2JGXSD2BHVEYH

not attested not anchored not stored refs pending

On the area of accretion curtains from fast aperiodic time variability of the intermediate polar EX Hya

(2) South African Astronomical Observatory, 3), (3) Southern African Large Telescope Foundation, 4), (4) University of Cape Town, (5) Department of Astrophysics/IMAPP Radboud University Nijmegen), Amanda A. S. Gulbis (2), Andrey N. Semena (1), David A.H. Buckley (2, Hannes Breytenbach (2, Ildar I. Khabibullin (1), Marissa M. Kotze (2), Mikhail G. Revnivtsev (1), Rocco Coppejans (5), Stephen B. Potter (2) ((1) Space Research Institute Russian Academy of Sciences

arxiv:1405.0855 v2 · 2014-05-05 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P7OLKRXRUUQ7D2JGXSD2BHVEYH}

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	2026-05-18T01:43:17.970750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fdcb546f1a521f1e926bc87a09ea4c1e509ad93838b2451224230e88524ff6d

Aliases

arxiv: 1405.0855 · arxiv_version: 1405.0855v2 · doi: 10.48550/arxiv.1405.0855 · pith_short_12: P7OLKRXRUUQ7 · pith_short_16: P7OLKRXRUUQ7D2JG · pith_short_8: P7OLKRXR

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/P7OLKRXRUUQ7D2JGXSD2BHVEYH \
  | 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: 7fdcb546f1a521f1e926bc87a09ea4c1e509ad93838b2451224230e88524ff6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b10de48301cd080a49f06e541a981690ebf5487861dd3b3e8b7feb04aef449e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-05-05T11:03:05Z",
    "title_canon_sha256": "c47570f8d2f2c165d82af420343c035fb8326039bdc0c6f1b9d59238468a192c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.0855",
    "kind": "arxiv",
    "version": 2
  }
}