Pith Number

pith:QHPIAV6J

pith:2019:QHPIAV6J76QQ3E5OD3HQ4I55OR

not attested not anchored not stored refs pending

Magnetic Cataclysmic Variables discovered in hard X-rays

D. de Martino, F. Bernardini, K. Mukai, M. Falanga

arxiv:1906.11612 v1 · 2019-06-27 · 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{QHPIAV6J76QQ3E5OD3HQ4I55OR}

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	2026-05-17T23:42:04.300848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81de8057c9ffa10d93ae1ecf0e23bd7443230f0076735981e0d965814cbfcf8e

Aliases

arxiv: 1906.11612 · arxiv_version: 1906.11612v1 · doi: 10.48550/arxiv.1906.11612 · pith_short_12: QHPIAV6J76QQ · pith_short_16: QHPIAV6J76QQ3E5O · pith_short_8: QHPIAV6J

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/QHPIAV6J76QQ3E5OD3HQ4I55OR \
  | 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: 81de8057c9ffa10d93ae1ecf0e23bd7443230f0076735981e0d965814cbfcf8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79092ad2eb9b29e3a8a7c83390169085a1d2d46430575e054df8ddc7a840d2b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-06-27T13:19:02Z",
    "title_canon_sha256": "9b0d6ed99ca6461c36d5a9dcdc0b33270927d76bd33646ac5171cd921ab1c25f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.11612",
    "kind": "arxiv",
    "version": 1
  }
}