Pith Number

pith:V7LG5U6L

pith:2010:V7LG5U6LSKPRJVUPHRERYQGK3R

not attested not anchored not stored refs pending

Formation of the black-hole binary M33 X-7 via mass-exchange in a tight massive system

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

arxiv:1010.4809 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{V7LG5U6LSKPRJVUPHRERYQGK3R}

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.

Cited by

1 paper in Pith

GWTC-3: Compact Binary Coalescences Observed by LIGO and Virgo During the Second Part of the Third Observing Run

Receipt and verification

First computed	2026-05-18T02:04:59.386117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afd66ed3cb929f14d68f3c491c40cadc7531ce48476a364c7be18a4f519e6dc1

Aliases

arxiv: 1010.4809 · arxiv_version: 1010.4809v1 · doi: 10.48550/arxiv.1010.4809 · pith_short_12: V7LG5U6LSKPR · pith_short_16: V7LG5U6LSKPRJVUP · pith_short_8: V7LG5U6L

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/V7LG5U6LSKPRJVUPHRERYQGK3R \
  | 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: afd66ed3cb929f14d68f3c491c40cadc7531ce48476a364c7be18a4f519e6dc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5886282a0726de64ae1955c93eb9526b18fbcc894587626919045381c85ffb55",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-10-22T20:30:29Z",
    "title_canon_sha256": "5eb9b1cc385cfcd03e73f416342ab848524b238de310a99c8198ac6385d5f6a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.4809",
    "kind": "arxiv",
    "version": 1
  }
}