Pith Number

pith:MA7YL2DC

pith:2012:MA7YL2DCKACQNL7RP6KJQCL4WY

not attested not anchored not stored refs pending

Momentum-driven feedback and the M-\sigma relation in non-isothermal galaxies

Dean E. McLaughlin, Rachael C. McQuillin

arxiv:1201.2534 v1 · 2012-01-12 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MA7YL2DCKACQNL7RP6KJQCL4WY}

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	2026-05-18T04:04:44.211112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

603f85e862500506aff17f9498097cb620752fd8cf07c288f7ca3a37db0a2970

Aliases

arxiv: 1201.2534 · arxiv_version: 1201.2534v1 · doi: 10.48550/arxiv.1201.2534 · pith_short_12: MA7YL2DCKACQ · pith_short_16: MA7YL2DCKACQNL7R · pith_short_8: MA7YL2DC

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/MA7YL2DCKACQNL7RP6KJQCL4WY \
  | 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: 603f85e862500506aff17f9498097cb620752fd8cf07c288f7ca3a37db0a2970

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c57358be476721e28b069f9ed940f994867195c0798650a9fd0069f6b77c8f53",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-01-12T11:31:50Z",
    "title_canon_sha256": "53fd99acd8437df68c929f5acbf179b885c5a12364075687be23844b246d7540"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2534",
    "kind": "arxiv",
    "version": 1
  }
}