Pith Number

pith:OK7YXQVI

pith:2019:OK7YXQVILA3KLAX2NDWHAHWCOC

not attested not anchored not stored refs pending

Long-term Spot Stability in the Post-common-envelope Binary QS Vir

Ahmed Essam, Amal S. Hamed, Attila Cs\'eki, Gojko Djura\v{s}evi\'c, Olivera Latkovi\'c, Shahenaz M. Youssef

arxiv:1901.01925 v1 · 2019-01-07 · 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{OK7YXQVILA3KLAX2NDWHAHWCOC}

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	2026-05-17T23:56:44.290038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72bf8bc2a85836a582fa68ec701ec2709112e2fc0c83928d6cc71aac4d3401fb

Aliases

arxiv: 1901.01925 · arxiv_version: 1901.01925v1 · doi: 10.48550/arxiv.1901.01925 · pith_short_12: OK7YXQVILA3K · pith_short_16: OK7YXQVILA3KLAX2 · pith_short_8: OK7YXQVI

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/OK7YXQVILA3KLAX2NDWHAHWCOC \
  | 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: 72bf8bc2a85836a582fa68ec701ec2709112e2fc0c83928d6cc71aac4d3401fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6a6cb51ecf1d80c1c54fa206b70dbb669b35c3b837f05277439102d46f3c6d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-01-07T17:13:04Z",
    "title_canon_sha256": "cb39fb724731d7669df17c7332dea057e917923d53fc7fe69d6e2eface992713"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01925",
    "kind": "arxiv",
    "version": 1
  }
}