Pith Number

pith:PVNHLZ5V

pith:2023:PVNHLZ5VWGX6HIWNLEQYWRBBLN

not attested not anchored not stored refs pending

The most stringent upper limit from dynamical models on the mass of a central black hole in 47 Tucanae

Alessandro Della Croce, Carlo Nipoti, Emanuele Dalessandro, Eric Giunchi, Michele Cignoni, Raffaele Pascale

arxiv:2310.15221 v1 · 2023-10-23 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PVNHLZ5VWGX6HIWNLEQYWRBBLN}

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	2026-07-05T07:04:23.074752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d5a75e7b5b1afe3a2cd59218b44215b670d172627cb5ceaf5f7c8d446df5639

Aliases

arxiv: 2310.15221 · arxiv_version: 2310.15221v1 · doi: 10.48550/arxiv.2310.15221 · pith_short_12: PVNHLZ5VWGX6 · pith_short_16: PVNHLZ5VWGX6HIWN · pith_short_8: PVNHLZ5V

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/PVNHLZ5VWGX6HIWNLEQYWRBBLN \
  | 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: 7d5a75e7b5b1afe3a2cd59218b44215b670d172627cb5ceaf5f7c8d446df5639

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8dce699cc06ddf88c8dd26f6e0c976ce0bf225e49c79b9236e9bfc23e2f8159",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-10-23T18:00:00Z",
    "title_canon_sha256": "3a12d443071952addccbc3f2fadb51e49591c7afa56e8966bdddab5d5b6d2f52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.15221",
    "kind": "arxiv",
    "version": 1
  }
}