Pith Number

pith:HVWB3GJR

pith:2018:HVWB3GJRRWWYP4SIBX3MS5EGXT

not attested not anchored not stored refs pending

Superhump period of the black hole X-ray binary GX 339-4

2), (2) Department of Astrophysics, 3, (3) NORDITA, 4) ((1) Tuorla Observatory, (4) Space Research Institute of the Russian Academy of Sciences, Alexandra Veledina (1, Astronomy, Department of Physics, Finland, Ilia A. Kosenkov (1, KTH Royal Institute of Technology, Russia, Russia), Stockholm University, St. Petersburg State University, Sweden, University of Turku

arxiv:1805.00271 v2 · 2018-05-01 · 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{HVWB3GJRRWWYP4SIBX3MS5EGXT}

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	2026-05-18T00:06:24.892033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d6c1d99318dad87f2480df6c97486bcc2358b6665581f08a2cfe6ab930f4771

Aliases

arxiv: 1805.00271 · arxiv_version: 1805.00271v2 · doi: 10.48550/arxiv.1805.00271 · pith_short_12: HVWB3GJRRWWY · pith_short_16: HVWB3GJRRWWYP4SI · pith_short_8: HVWB3GJR

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/HVWB3GJRRWWYP4SIBX3MS5EGXT \
  | 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: 3d6c1d99318dad87f2480df6c97486bcc2358b6665581f08a2cfe6ab930f4771

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c267dab05fc712e2e7f4c8d419138790a12debb94833d87e6842468e176a135",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-05-01T11:16:35Z",
    "title_canon_sha256": "86f86e53696137803dbf6a731ba294545a751272e01348f5c4d125f7946cbe6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.00271",
    "kind": "arxiv",
    "version": 2
  }
}