Pith Number

pith:LOM5QBR6

pith:2003:LOM5QBR6QDXSAMRYEWROSHZ2RC

not attested not anchored not stored refs pending

The Merging History of Massive Black Holes

A. Sesana, F. Haardt, M. Volonteri, P. Madau

arxiv:astro-ph/0310211 v1 · 2003-10-08 · 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{LOM5QBR6QDXSAMRYEWROSHZ2RC}

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	2026-05-18T00:47:43.749610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b99d8063e80ef20323825a2e91f3a88abcee36ff1cd3a1903c92574721840ee

Aliases

arxiv: astro-ph/0310211 · arxiv_version: astro-ph/0310211v1 · doi: 10.48550/arxiv.astro-ph/0310211 · pith_short_12: LOM5QBR6QDXS · pith_short_16: LOM5QBR6QDXSAMRY · pith_short_8: LOM5QBR6

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/LOM5QBR6QDXSAMRYEWROSHZ2RC \
  | 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: 5b99d8063e80ef20323825a2e91f3a88abcee36ff1cd3a1903c92574721840ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69e31672392a16aa875cf87ebb4a0ab490f62a65f325f66eb83b8b9accb50f91",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-10-08T14:37:28Z",
    "title_canon_sha256": "1590d11babfc97512b2d82083dc08c9c7346128c8fb73999d1d588d010172761"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0310211",
    "kind": "arxiv",
    "version": 1
  }
}