Pith Number

pith:KWI7FJIR

pith:2015:KWI7FJIRKN6SGB3U7WJD2PDXMC

not attested not anchored not stored refs pending

Formation of discs around super-massive black hole binaries

Alberto Sesana, Felipe G. Goicovic, Jorge Cuadra

arxiv:1501.04012 v1 · 2015-01-16 · astro-ph.HE · 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{KWI7FJIRKN6SGB3U7WJD2PDXMC}

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	2026-05-18T00:37:02.002546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5591f2a511537d230774fd923d3c7760952a9940b691b09152f0095d9bf143d2

Aliases

arxiv: 1501.04012 · arxiv_version: 1501.04012v1 · doi: 10.48550/arxiv.1501.04012 · pith_short_12: KWI7FJIRKN6S · pith_short_16: KWI7FJIRKN6SGB3U · pith_short_8: KWI7FJIR

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/KWI7FJIRKN6SGB3U7WJD2PDXMC \
  | 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: 5591f2a511537d230774fd923d3c7760952a9940b691b09152f0095d9bf143d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db34795b06d44a8c0bc376427a3a5546b1b33631ab5336c76087724f9e4c9630",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-01-16T15:26:20Z",
    "title_canon_sha256": "cae9b541e4a19bee43d32c226789ac608604290bcd5d2b25bf2031139a5abc17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04012",
    "kind": "arxiv",
    "version": 1
  }
}