Pith Number

pith:PHDYKHWQ

pith:2015:PHDYKHWQ54CT4M3KXILRLFU4FF

not attested not anchored not stored refs pending

The Spin of The Black Hole in the X-ray Binary Nova Muscae 1991

2), 5) ((1) NAOC; (2) UCAS; (3) CfA; (4) SDSU; (5) YU), James F. Steiner (3), Jeffrey E. McClintock (3), Jerome Orosz (4), Jianfeng Wu (3), Lijun Gou (1, Weiwei Xu (1, Yanmei Xiang (1, Zihan Chen (1

arxiv:1601.00615 v1 · 2015-12-27 · astro-ph.HE · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PHDYKHWQ54CT4M3KXILRLFU4FF}

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	2026-05-18T01:11:31.807793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79c7851ed0ef053e336aba1715969c2944dda571d3d7c5ef425cc04e793527d8

Aliases

arxiv: 1601.00615 · arxiv_version: 1601.00615v1 · doi: 10.48550/arxiv.1601.00615 · pith_short_12: PHDYKHWQ54CT · pith_short_16: PHDYKHWQ54CT4M3K · pith_short_8: PHDYKHWQ

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/PHDYKHWQ54CT4M3KXILRLFU4FF \
  | 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: 79c7851ed0ef053e336aba1715969c2944dda571d3d7c5ef425cc04e793527d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72a8722ecb82b2962504c2e064a93b8034ac80600ec1a3490e192c7143eeb4cf",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-12-27T08:54:36Z",
    "title_canon_sha256": "eca009a9fbd238a0cad8b5de275561bfe693cda54b957f1cb3fed742ac65ee39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.00615",
    "kind": "arxiv",
    "version": 1
  }
}