Pith Number

pith:5FHQILVE

pith:2010:5FHQILVEYOJOGKSYG7ZCG2UR4Q

not attested not anchored not stored refs pending

The Building Up of the Black Hole Mass - Stellar Mass Relation

Alessandra Lamastra, Andrea Merloni, Fabrizio Fiore, Nicola Menci, Roberto Maiolino

arxiv:1001.5407 v1 · 2010-01-29 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5FHQILVEYOJOGKSYG7ZCG2UR4Q}

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	2026-05-18T02:09:22.181469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e94f042ea4c392e32a5837f2236a91e40e4346a62a7307b8aaf1511515fd5a03

Aliases

arxiv: 1001.5407 · arxiv_version: 1001.5407v1 · doi: 10.48550/arxiv.1001.5407 · pith_short_12: 5FHQILVEYOJO · pith_short_16: 5FHQILVEYOJOGKSY · pith_short_8: 5FHQILVE

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/5FHQILVEYOJOGKSYG7ZCG2UR4Q \
  | 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: e94f042ea4c392e32a5837f2236a91e40e4346a62a7307b8aaf1511515fd5a03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b69d381ae39346df56d54597e0a31203f4d09f9da8a82a92c0228b93c2f47dab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-01-29T14:00:05Z",
    "title_canon_sha256": "d4afe8b1b05c8b04c2172eca409216648b0347ed5a6dc9d16f99a8ebfe1fb3cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.5407",
    "kind": "arxiv",
    "version": 1
  }
}