Pith Number

pith:SEOKQH2W

pith:2007:SEOKQH2WJVJPLXKV36KZCWGEE4

not attested not anchored not stored refs pending

Modeling the cosmological co-evolution of supermassive black holes and galaxies: I. BH scaling relations and the AGN luminosity function

Enzo Branchini, Federico Marulli, Lauro Moscardini, Silvia Bonoli, Volker Springel

arxiv:0711.2053 v1 · 2007-11-13 · 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{SEOKQH2WJVJPLXKV36KZCWGEE4}

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	2026-07-04T17:06:40.115299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

911ca81f564d52f5dd55df959158c4270caeb8c648fd8f404a72d7507730829a

Aliases

arxiv: 0711.2053 · arxiv_version: 0711.2053v1 · doi: 10.48550/arxiv.0711.2053 · pith_short_12: SEOKQH2WJVJP · pith_short_16: SEOKQH2WJVJPLXKV · pith_short_8: SEOKQH2W

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/SEOKQH2WJVJPLXKV36KZCWGEE4 \
  | 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: 911ca81f564d52f5dd55df959158c4270caeb8c648fd8f404a72d7507730829a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2fa205f0670f11b04298b92a1dc505b52c57faeb72debc97199fabeb49d8914",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-11-13T19:20:21Z",
    "title_canon_sha256": "10bec51cc2a9b4f4b11b0fda4412f959ce662ea5e75b77c41a17f65228e8a3c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0711.2053",
    "kind": "arxiv",
    "version": 1
  }
}