Pith Number

pith:6VGF4KPS

pith:2010:6VGF4KPSHWG3ERHM7UX5NRQNJB

not attested not anchored not stored refs pending

The intriguing evolutionary history of the massive black hole X-ray binary M33 X-7

Bart Willems, Evert Glebbeek, Francesca Valsecchi, Jerome A. Orosz, Jifeng Liu, Tassos Fragos, Vassiliki Kalogera, Will M. Farr

arxiv:1010.4742 v1 · 2010-10-22 · 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{6VGF4KPSHWG3ERHM7UX5NRQNJB}

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	2026-05-18T02:04:59.514705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f54c5e29f23d8db244ecfd2fd6c60d485eb3254799b80645d481d4664bb23760

Aliases

arxiv: 1010.4742 · arxiv_version: 1010.4742v1 · doi: 10.48550/arxiv.1010.4742 · pith_short_12: 6VGF4KPSHWG3 · pith_short_16: 6VGF4KPSHWG3ERHM · pith_short_8: 6VGF4KPS

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/6VGF4KPSHWG3ERHM7UX5NRQNJB \
  | 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: f54c5e29f23d8db244ecfd2fd6c60d485eb3254799b80645d481d4664bb23760

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df17b285c8015ed1a064281bcf6b021fbf50c2dd5ce27e6cfb915538b9a84710",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-10-22T15:35:47Z",
    "title_canon_sha256": "161cf64d0324fcc4d11bb3ad001da917e2d5694b0df6da7ec1b0d32148a1798d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.4742",
    "kind": "arxiv",
    "version": 1
  }
}