Pith Number

pith:XMQEST45

pith:2019:XMQEST45CZNTH4TVV65WH53BNJ

not attested not anchored not stored refs pending

No signature of the orbital motion of a putative 70 solar mass black hole in LB-1

Andrew Tkachenko, Calum Hawcroft, Dominic M. Bowman, Gareth Banyard, Gert Raskin, Hans Van Winckel, Hugues Sana, Julia Bodensteiner, Karan Dsilva, Laurent Mahy, Lore Vermeylen, Maddalena Reggiani, Matthias Fabry, Michael Abdul-Masih, Pablo Marchant, Tomer Shenar

arxiv:1912.04092 v1 · 2019-12-09 · 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{XMQEST45CZNTH4TVV65WH53BNJ}

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	2026-07-05T00:59:13.494011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb20494f9d165b33f275afbb63f7616a5b55600d6cc0e10af496d7fe45919db6

Aliases

arxiv: 1912.04092 · arxiv_version: 1912.04092v1 · doi: 10.48550/arxiv.1912.04092 · pith_short_12: XMQEST45CZNT · pith_short_16: XMQEST45CZNTH4TV · pith_short_8: XMQEST45

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/XMQEST45CZNTH4TVV65WH53BNJ \
  | 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: bb20494f9d165b33f275afbb63f7616a5b55600d6cc0e10af496d7fe45919db6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c9e2793338144e89cfb6acc31eb8cbf0656deac3057a0cc8dfb7b7570720ded",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-12-09T14:53:47Z",
    "title_canon_sha256": "d69caaf7f4599e463b8568541cd2f22ae00c50a474a20628aef37172d592c142"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.04092",
    "kind": "arxiv",
    "version": 1
  }
}