Pith Number

pith:W2EG2XHQ

pith:2013:W2EG2XHQF3RLWRTOYICGSWMHPT

not attested not anchored not stored refs pending

VLBI observations of the shortest orbital period black hole binary, MAXI J1659-152

A. J. van der Horst, C. Kouveliotou, E. Kuulkers, G. Taylor, J. C. A. Miller-Jones, J. Granot, J. Linford, J. Yang, M. A. Garrett, R. A. M. J. Wijers, T. Belloni, Z. Paragi

arxiv:1303.6901 v1 · 2013-03-27 · 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{W2EG2XHQF3RLWRTOYICGSWMHPT}

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	2026-05-18T01:50:51.894027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6886d5cf02ee2bb466ec2046959877cc3a9e3f05554dd6cd6df72fe7855668e

Aliases

arxiv: 1303.6901 · arxiv_version: 1303.6901v1 · doi: 10.48550/arxiv.1303.6901 · pith_short_12: W2EG2XHQF3RL · pith_short_16: W2EG2XHQF3RLWRTO · pith_short_8: W2EG2XHQ

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/W2EG2XHQF3RLWRTOYICGSWMHPT \
  | 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: b6886d5cf02ee2bb466ec2046959877cc3a9e3f05554dd6cd6df72fe7855668e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "addfe393abd9db52586d615b49d4fffad30b906ff4d893e514435783b2c400a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-03-27T17:14:01Z",
    "title_canon_sha256": "9275838d8cec274b9bf526c6062926aa519a052da4a3ad2cda997437628cbf1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6901",
    "kind": "arxiv",
    "version": 1
  }
}