Pith Number

pith:FJZAB2HW

pith:2023:FJZAB2HWNWKROAZX4ORHZFBUNJ

not attested not anchored not stored refs pending

Resequencing the Hubble sequence and the quadratic (black hole mass)-(spheroid stellar mass) relation for elliptical galaxies

Alister W. Graham

arxiv:2305.03242 v1 · 2023-05-05 · 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{FJZAB2HWNWKROAZX4ORHZFBUNJ}

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	2026-07-05T06:07:12.424307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a7200e8f66d95170337e3a27c94346a48001ac70e84f8c9760f262905282a6c

Aliases

arxiv: 2305.03242 · arxiv_version: 2305.03242v1 · doi: 10.48550/arxiv.2305.03242 · pith_short_12: FJZAB2HWNWKR · pith_short_16: FJZAB2HWNWKROAZX · pith_short_8: FJZAB2HW

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/FJZAB2HWNWKROAZX4ORHZFBUNJ \
  | 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: 2a7200e8f66d95170337e3a27c94346a48001ac70e84f8c9760f262905282a6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "addd66252d0a924e9c3e180403184a9cb2753307ee663d11588568a4b4e3d356",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-05-05T02:00:57Z",
    "title_canon_sha256": "5e2cc42dad4504e04ed7b00a12e40c14597093c09c9f8f1bd5422afcd8b9c35f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.03242",
    "kind": "arxiv",
    "version": 1
  }
}