Pith Number

pith:NCPEZWWS

pith:2013:NCPEZWWSE7SLHXKIBWBEYWMAK3

not attested not anchored not stored refs pending

B0707-359: a case study of change in AGN-black hole spin axis

D. H. Jones, J. M. Malarecki, L. Saripalli, L. Staveley-Smith, R. Subrahmanyan

arxiv:1308.5054 v1 · 2013-08-23 · 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{NCPEZWWSE7SLHXKIBWBEYWMAK3}

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	2026-05-18T01:47:59.316185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

689e4cdad227e4b3dd480d824c598056e514c0a3843932728529509c3dae719f

Aliases

arxiv: 1308.5054 · arxiv_version: 1308.5054v1 · doi: 10.48550/arxiv.1308.5054 · pith_short_12: NCPEZWWSE7SL · pith_short_16: NCPEZWWSE7SLHXKI · pith_short_8: NCPEZWWS

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/NCPEZWWSE7SLHXKIBWBEYWMAK3 \
  | 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: 689e4cdad227e4b3dd480d824c598056e514c0a3843932728529509c3dae719f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c218ef4e6aab29887bfb4fb8431f21c3360509b2110c8928485976378cb1ca47",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-08-23T06:08:21Z",
    "title_canon_sha256": "217d1a194eba50ab9e6cf891c8a1cbbdd1c856fe10f2e5151f32c8071cc01a88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5054",
    "kind": "arxiv",
    "version": 1
  }
}