Pith Number

pith:4I4QXZ3A

pith:2016:4I4QXZ3ABNTZWPOFBR6CM35OLG

not attested not anchored not stored refs pending

Spin Properties of Supermassive Black Holes with Powerful Outflows

Ruth A. Daly

arxiv:1601.03327 v1 · 2016-01-13 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4I4QXZ3ABNTZWPOFBR6CM35OLG}

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	2026-05-18T01:20:08.282653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2390be7600b679b3dc50c7c266fae5991336e3d1bba57b816d86a3558b1658a

Aliases

arxiv: 1601.03327 · arxiv_version: 1601.03327v1 · doi: 10.48550/arxiv.1601.03327 · pith_short_12: 4I4QXZ3ABNTZ · pith_short_16: 4I4QXZ3ABNTZWPOF · pith_short_8: 4I4QXZ3A

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/4I4QXZ3ABNTZWPOFBR6CM35OLG \
  | 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: e2390be7600b679b3dc50c7c266fae5991336e3d1bba57b816d86a3558b1658a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae56f39397ff199f8d6b1e50d1a6d133bac8ba0401bbf8cf8cff0c1e515e8c3c",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-01-13T17:49:15Z",
    "title_canon_sha256": "32650a4b82365167ce84e5f4753c9adca76a4d0686f02e2da216a752637c053c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.03327",
    "kind": "arxiv",
    "version": 1
  }
}