Pith Number

pith:FQV5M4EZ

pith:2022:FQV5M4EZNCW7EXBTCXQQDSVARS

not attested not anchored not stored refs pending

The physical connection between central stellar surface density and stellar spin in SAMI and MaNGA nearby galaxies

A. Fraser-McKelvie, B. Catinella, J. Bland-Hawthorn, J.J. Bryant, J. van de Sande, J. Woo, K. Harborne, L. Cortese, S. Brough, S. Croom, S. Sweet

arxiv:2204.04815 v1 · 2022-04-11 · 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{FQV5M4EZNCW7EXBTCXQQDSVARS}

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	2026-07-05T04:19:57.846336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c2bd6709968adf25c3315e101caa08c9aa0135895039b37f415d561aac4b400

Aliases

arxiv: 2204.04815 · arxiv_version: 2204.04815v1 · doi: 10.48550/arxiv.2204.04815 · pith_short_12: FQV5M4EZNCW7 · pith_short_16: FQV5M4EZNCW7EXBT · pith_short_8: FQV5M4EZ

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/FQV5M4EZNCW7EXBTCXQQDSVARS \
  | 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: 2c2bd6709968adf25c3315e101caa08c9aa0135895039b37f415d561aac4b400

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "482b5e01625e4589a04af3b73086ff8e754a68996d2880a167e6fa9696f3c36b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-04-11T01:04:53Z",
    "title_canon_sha256": "724203210c98d8109b9abfb775640e1ced9b5fc026fbba329b1873935f79ad17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.04815",
    "kind": "arxiv",
    "version": 1
  }
}