Pith Number

pith:MZEEGSU2

pith:2003:MZEEGSU2RVIMJ4ZLWDTDWGVMUH

not attested not anchored not stored refs pending

A fundamental plane of black hole activity

Andrea Merloni, Sebastian Heinz, Tiziana Di Matteo (MPA)

arxiv:astro-ph/0305261 v2 · 2003-05-15 · 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{MZEEGSU2RVIMJ4ZLWDTDWGVMUH}

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.

Cited by

1 paper in Pith

Primordial black holes and the velocity acoustic oscillations features in 21 cm signals from the cosmic Dark Ages

Receipt and verification

First computed	2026-05-18T04:23:00.941510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6648434a9a8d50c4f32bb0e63b1aaca1d5707b13fafd1736789fec214d07358e

Aliases

arxiv: astro-ph/0305261 · arxiv_version: astro-ph/0305261v2 · doi: 10.48550/arxiv.astro-ph/0305261 · pith_short_12: MZEEGSU2RVIM · pith_short_16: MZEEGSU2RVIMJ4ZL · pith_short_8: MZEEGSU2

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/MZEEGSU2RVIMJ4ZLWDTDWGVMUH \
  | 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: 6648434a9a8d50c4f32bb0e63b1aaca1d5707b13fafd1736789fec214d07358e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "627d36dcc342d1b5baca79ce6794b4ddabb210e21e88215f76b073b3554f0a11",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-05-15T08:35:41Z",
    "title_canon_sha256": "a99753ddd6978685da0d83291ade7d749c4125699ebbcd2b1a2660af9a55eca8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0305261",
    "kind": "arxiv",
    "version": 2
  }
}