Pith Number

pith:URWKFVU4

pith:2006:URWKFVU4ITB2LCWGVJZ245MTME

not attested not anchored not stored refs pending

Selection bias in the M_BH-sigma and M_BH-L correlations and its consequences

E. Tundo, J. B. Hyde, M. Bernardi, R. K. Sheth

arxiv:astro-ph/0609300 v2 · 2006-09-12 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{URWKFVU4ITB2LCWGVJZ245MTME}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T04:28:57.803814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a46ca2d69c44c3a58ac6aa73ae7593613fef268d224f22b4450c111ca16350c0

Aliases

arxiv: astro-ph/0609300 · arxiv_version: astro-ph/0609300v2 · doi: 10.48550/arxiv.astro-ph/0609300 · pith_short_12: URWKFVU4ITB2 · pith_short_16: URWKFVU4ITB2LCWG · pith_short_8: URWKFVU4

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/URWKFVU4ITB2LCWGVJZ245MTME \
  | 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: a46ca2d69c44c3a58ac6aa73ae7593613fef268d224f22b4450c111ca16350c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "def3742318f8fae746fc512aadb9d9ec73126f2e5f7716041c3f0f2220b6e409",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-09-12T18:42:59Z",
    "title_canon_sha256": "ab6e4324ae6dbc2f6775065b6cc6c18700ce430da365654fd4c222457161aa7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0609300",
    "kind": "arxiv",
    "version": 2
  }
}