Pith Number

pith:J7MRCHER

pith:2026:J7MRCHERYPKOSNWSSAPOB3ZLWH

not attested not anchored not stored refs pending

Mapping the Universe as a Bianchi I cosmology with Gaia data

Asta Heinesen, Thomas Sch\"ucker, Valeri V. Makarov

arxiv:2605.30579 v1 · 2026-05-28 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J7MRCHERYPKOSNWSSAPOB3ZLWH}

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	2026-06-01T01:03:02.264796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fd9111c91c3d4e936d2901ee0ef2bb1d1bfdb1b6b7f27d21d1bf017f4961736

Aliases

arxiv: 2605.30579 · arxiv_version: 2605.30579v1 · doi: 10.48550/arxiv.2605.30579 · pith_short_12: J7MRCHERYPKO · pith_short_16: J7MRCHERYPKOSNWS · pith_short_8: J7MRCHER

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/J7MRCHERYPKOSNWSSAPOB3ZLWH \
  | 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: 4fd9111c91c3d4e936d2901ee0ef2bb1d1bfdb1b6b7f27d21d1bf017f4961736

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9ca8cfa8b8c9497953357d8d1103a20568743d88c516644a0aa3a871888f573",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-05-28T21:12:45Z",
    "title_canon_sha256": "6aac7a8d36faf87bb4ab71ae737e53af484afaac6919f1f69532c4718247a348"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.30579",
    "kind": "arxiv",
    "version": 1
  }
}