Pith Number

pith:HXNO5CG5

pith:2020:HXNO5CG5P3EM2LSSXRQH2X4HTV

not attested not anchored not stored refs pending

Interpreting LIGO/Virgo "Mass-Gap" events as lensed Neutron Star-Black Hole binaries

George F. Smoot, Jose M. Diego, Tom Broadhurst

arxiv:2006.13219 v1 · 2020-06-24 · astro-ph.CO · 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{HXNO5CG5P3EM2LSSXRQH2X4HTV}

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	2026-07-05T01:13:13.501219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ddaee88dd7ec8cd2e52bc607d5f879d4404651ee1a58dc6370cd4938f2c5216

Aliases

arxiv: 2006.13219 · arxiv_version: 2006.13219v1 · doi: 10.48550/arxiv.2006.13219 · pith_short_12: HXNO5CG5P3EM · pith_short_16: HXNO5CG5P3EM2LSS · pith_short_8: HXNO5CG5

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/HXNO5CG5P3EM2LSSXRQH2X4HTV \
  | 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: 3ddaee88dd7ec8cd2e52bc607d5f879d4404651ee1a58dc6370cd4938f2c5216

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a23111f6cf5b1ac59de2e111e55cb356cd7351a19022c16c0da79d1ca573d19",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-06-24T17:25:10Z",
    "title_canon_sha256": "4e290376cd27fcd4f57c65373bb19fbdc471a15d99ce24447abcc5e54e1a61f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.13219",
    "kind": "arxiv",
    "version": 1
  }
}