Pith Number

pith:QMY6JDZM

pith:2026:QMY6JDZMC6YYU44EEEFVQBCSWI

not attested not anchored not stored refs pending

Testing the Isotropy of the Universe with the CHIME/FRB Catalog I

Jun-Yi Shen, Yuan-Chuan Zou

arxiv:2607.14982 v1 · 2026-07-16 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QMY6JDZMC6YYU44EEEFVQBCSWI}

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	2026-07-17T01:22:02.190544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8331e48f2c17b18a7384210b580452b230a01bafb8d12ae27053c4f363a12b66

Aliases

arxiv: 2607.14982 · arxiv_version: 2607.14982v1 · doi: 10.48550/arxiv.2607.14982 · pith_short_12: QMY6JDZMC6YY · pith_short_16: QMY6JDZMC6YYU44E · pith_short_8: QMY6JDZM

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/QMY6JDZMC6YYU44EEEFVQBCSWI \
  | 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: 8331e48f2c17b18a7384210b580452b230a01bafb8d12ae27053c4f363a12b66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eaf246e6852648da73d4f3327775e671c06a1543e7fe204504fda5ce1f75f8b4",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-07-16T13:35:45Z",
    "title_canon_sha256": "4cd3a5ff8271f8c3d3a728202532bf7caa83d66c76daac7e7095be90de3ee8ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.14982",
    "kind": "arxiv",
    "version": 1
  }
}