Pith Number

pith:KPANHVS5

pith:2017:KPANHVS5XNFT5LYREYB2DWISAZ

not attested not anchored not stored refs pending

Galactic nuclei evolution with spinning black holes: method and implementation

2), (2) Kavli Institute for Cosmology, Davide Fiacconi (1, Debora Sijacki (1, J. E. Pringle (1) ((1) Institute of Astronomy, University of Cambridge, University of Cambridge)

arxiv:1712.00023 v2 · 2017-11-30 · 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{KPANHVS5XNFT5LYREYB2DWISAZ}

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	2026-05-18T00:17:42.054993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53c0d3d65dbb4b3eaf112603a1d912066afc08845201fb641e46ddad84e54d80

Aliases

arxiv: 1712.00023 · arxiv_version: 1712.00023v2 · doi: 10.48550/arxiv.1712.00023 · pith_short_12: KPANHVS5XNFT · pith_short_16: KPANHVS5XNFT5LYR · pith_short_8: KPANHVS5

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/KPANHVS5XNFT5LYREYB2DWISAZ \
  | 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: 53c0d3d65dbb4b3eaf112603a1d912066afc08845201fb641e46ddad84e54d80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20fcb50ac14321cbe92625cb3893fa082aaacbc543f5cb4202a1cec8b5dcc03c",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-11-30T19:00:05Z",
    "title_canon_sha256": "393848414c334bf017cdab99db173fe90655ca07676beb8fabb8c2be472d56a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.00023",
    "kind": "arxiv",
    "version": 2
  }
}