Pith Number

pith:RRPAGGA3

pith:2018:RRPAGGA3NIFY5MCEIJLHG3EUC2

not attested not anchored not stored refs pending

Optical Studies of 15 Hard X-ray Selected Cataclysmic Binaries

D.A.H. Buckley, G. Collver, H. Breytenbach, J.P. Halpern, J.R. Thorstensen, M. Motsoaledi, P.A. Woudt, P. Cho

arxiv:1804.08532 v3 · 2018-04-23 · 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{RRPAGGA3NIFY5MCEIJLHG3EUC2}

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	2026-05-18T00:14:13.719018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c5e03181b6a0b8eb0444256736c9416b1b377e8b155f539b52fd86b06cfba90

Aliases

arxiv: 1804.08532 · arxiv_version: 1804.08532v3 · doi: 10.48550/arxiv.1804.08532 · pith_short_12: RRPAGGA3NIFY · pith_short_16: RRPAGGA3NIFY5MCE · pith_short_8: RRPAGGA3

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/RRPAGGA3NIFY5MCEIJLHG3EUC2 \
  | 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: 8c5e03181b6a0b8eb0444256736c9416b1b377e8b155f539b52fd86b06cfba90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10071db8ecdd838b30033cb0511e2ec47ad4ee924891faf76511c87813533191",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-04-23T16:09:01Z",
    "title_canon_sha256": "5cdbd185256e275244dc1ed373ae0c03197ef374218bd0cc0e4831791c51d1d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08532",
    "kind": "arxiv",
    "version": 3
  }
}