Pith Number

pith:4IZFJNJF

pith:2012:4IZFJNJFR33GLLOY5H3TFSATBX

not attested not anchored not stored refs pending

Breaking the law: the M_{bh}-M_{spheroid} mass relations for core-Sersic and Sersic galaxies

Alister W. Graham

arxiv:1202.1878 v1 · 2012-02-09 · 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{4IZFJNJFR33GLLOY5H3TFSATBX}

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	2026-05-18T01:58:32.001909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e23254b5258ef665add8e9f732c8130dcaf50202f02f70d8ca3d8ca1b688b9b9

Aliases

arxiv: 1202.1878 · arxiv_version: 1202.1878v1 · doi: 10.48550/arxiv.1202.1878 · pith_short_12: 4IZFJNJFR33G · pith_short_16: 4IZFJNJFR33GLLOY · pith_short_8: 4IZFJNJF

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/4IZFJNJFR33GLLOY5H3TFSATBX \
  | 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: e23254b5258ef665add8e9f732c8130dcaf50202f02f70d8ca3d8ca1b688b9b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dacdeb3e15e76065aacfcd8bd2d3e0078e829851b22442767ea6ba76da285f4",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-09T03:14:41Z",
    "title_canon_sha256": "18e74039cdd6fdb331fb612c78bf055e31f67ab069c1e22d323936f291ef8791"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1878",
    "kind": "arxiv",
    "version": 1
  }
}