Pith Number

pith:O2LDFYRW

pith:2023:O2LDFYRWTEK7WMHZKLHDP56WYY

not attested not anchored not stored refs pending

The Role of Groups in Galaxy Evolution: compelling evidence of pre-processing out to the turnaround radius of clusters

A.L.B. Ribeiro, D. Brambila, P.A.A. Lopes

arxiv:2309.11578 v1 · 2023-09-20 · 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{O2LDFYRWTEK7WMHZKLHDP56WYY}

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	2026-07-05T06:52:51.932946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

769632e2369915fb30f952ce37f7d6c6044e8ee788ce402c46e2c679a1d60ce9

Aliases

arxiv: 2309.11578 · arxiv_version: 2309.11578v1 · doi: 10.48550/arxiv.2309.11578 · pith_short_12: O2LDFYRWTEK7 · pith_short_16: O2LDFYRWTEK7WMHZ · pith_short_8: O2LDFYRW

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/O2LDFYRWTEK7WMHZKLHDP56WYY \
  | 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: 769632e2369915fb30f952ce37f7d6c6044e8ee788ce402c46e2c679a1d60ce9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "725209a674f5e033cee588c9fb12b47e5267cb7806c270a53fd4545077d39205",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2023-09-20T18:30:54Z",
    "title_canon_sha256": "e3ed45140c1ac5130e0c35e983c82e3caf90478c040f8a68b3afe16fb472191a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.11578",
    "kind": "arxiv",
    "version": 1
  }
}