Pith Number

pith:7ECB4R7U

pith:2018:7ECB4R7UTBTDAPX62VO3G3TPJY

not attested not anchored not stored refs pending

Posterior samples of the parameters of binary black holes from Advanced LIGO, Virgo's second observing run

Alexander H. Nitz, Christopher M. Biwer, Collin D. Capano, Duncan A. Brown, Soumi De

arxiv:1811.09232 v3 · 2018-11-22 · gr-qc · astro-ph.HE · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ECB4R7UTBTDAPX62VO3G3TPJY}

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	2026-05-17T23:44:22.135615Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9041e47f49866303efed55db36e6f4e1be4d059db9fd121a4da89b1d819ff8d

Aliases

arxiv: 1811.09232 · arxiv_version: 1811.09232v3 · doi: 10.48550/arxiv.1811.09232 · pith_short_12: 7ECB4R7UTBTD · pith_short_16: 7ECB4R7UTBTDAPX6 · pith_short_8: 7ECB4R7U

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/7ECB4R7UTBTDAPX62VO3G3TPJY \
  | 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: f9041e47f49866303efed55db36e6f4e1be4d059db9fd121a4da89b1d819ff8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dcffcc7cdec657709724e745bf70569a10005a458524d3319696037a3b4919e",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-11-22T16:44:53Z",
    "title_canon_sha256": "49993098e6055d66d2afb4b95e1b302b4e1320af205e5c1fb383419d39ca0da1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.09232",
    "kind": "arxiv",
    "version": 3
  }
}