Pith Number

pith:IIDGDHTM

pith:2004:IIDGDHTMSUASI5SMPUGLSFV3LL

not attested not anchored not stored refs pending

Fate of Supermassive Black Holes and Evolution of the M(BH)-sigma Relation in Merging Galaxies: The Effect of Gaseous Dissipation

(2) University of Milano Bicocca, (3) UC Santa Cruz, (4) ETH, (5) McMaster University, (6) University of Washington), Ben Moore (1) ((1) University of Zurich, James Wadsley (5), Joachim Stadel (1), Lucio Mayer (1), Monica Colpi (2), Piero Madau (3), Stelios Kazantzidis (1), Thomas Quinn (6), Victor P. Debattista (4)

arxiv:astro-ph/0407407 v2 · 2004-07-20 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IIDGDHTMSUASI5SMPUGLSFV3LL}

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	2026-05-18T01:07:32.330924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4206619e6c950124764c7d0cb916bb5ac8b3bfc1b6005179f133433d3d2b360e

Aliases

arxiv: astro-ph/0407407 · arxiv_version: astro-ph/0407407v2 · doi: 10.48550/arxiv.astro-ph/0407407 · pith_short_12: IIDGDHTMSUAS · pith_short_16: IIDGDHTMSUASI5SM · pith_short_8: IIDGDHTM

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/IIDGDHTMSUASI5SMPUGLSFV3LL \
  | 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: 4206619e6c950124764c7d0cb916bb5ac8b3bfc1b6005179f133433d3d2b360e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0087e67c06a4300e565b6e816d2ee38d5088e1d8330a3b7d7ec8d63d7f140e8b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-07-20T17:33:43Z",
    "title_canon_sha256": "c850d9f1f675fe29b6f5bd50ca890503ef016eca9b3189dd8ea89c1cf6f12f47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0407407",
    "kind": "arxiv",
    "version": 2
  }
}