Pith Number

pith:WCUOIIH3

pith:2025:WCUOIIH3WDG7UNC54QLUGNGXWH

not attested not anchored not stored refs pending

Exploring the astrophysical origins of binary black holes using normalising flows

Christopher P L Berry, John Veitch, Michael Zevin, Storm Colloms

arxiv:2508.19336 v1 · 2025-08-26 · 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{WCUOIIH3WDG7UNC54QLUGNGXWH}

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	2026-07-05T11:59:43.397031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0a8e420fbb0cdfa345de4174334d7b1c7c9247ae949b51390971476ae4e697f

Aliases

arxiv: 2508.19336 · arxiv_version: 2508.19336v1 · doi: 10.48550/arxiv.2508.19336 · pith_short_12: WCUOIIH3WDG7 · pith_short_16: WCUOIIH3WDG7UNC5 · pith_short_8: WCUOIIH3

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/WCUOIIH3WDG7UNC54QLUGNGXWH \
  | 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: b0a8e420fbb0cdfa345de4174334d7b1c7c9247ae949b51390971476ae4e697f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0277c3c6aaf76dc192f6d2bfe3455fe270937c81afd685b13cddfce996efd345",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-08-26T18:00:09Z",
    "title_canon_sha256": "cc16713b43159c862b41eda90895200313c19b784f5f23bb558a485bc4995ed8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.19336",
    "kind": "arxiv",
    "version": 1
  }
}