Pith Number

pith:NSJG7CRS

pith:2013:NSJG7CRSN5RZ3PFBZHBT243QCU

not attested not anchored not stored refs pending

Supermassive Black Hole Binary Evolution in Axisymmetric Galaxies: the final parsec problem is not a problem

Fazeel Khan, Kelly Holley-Bockelmann

arxiv:1302.1871 v1 · 2013-02-07 · astro-ph.GA

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

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.

Cited by

1 paper in Pith

Expectations for the first supermassive black-hole binary resolved by PTAs I: Model efficacy

Receipt and verification

First computed	2026-05-18T01:51:43.741221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c926f8a326f639dbca1c9c33d73701533d30ffc7a8d95280c7092e9273d26ab

Aliases

arxiv: 1302.1871 · arxiv_version: 1302.1871v1 · doi: 10.48550/arxiv.1302.1871 · pith_short_12: NSJG7CRSN5RZ · pith_short_16: NSJG7CRSN5RZ3PFB · pith_short_8: NSJG7CRS

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/NSJG7CRSN5RZ3PFBZHBT243QCU \
  | 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: 6c926f8a326f639dbca1c9c33d73701533d30ffc7a8d95280c7092e9273d26ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "446f4e4a3c4deedcd8ab764a48d4b71afc47cdb3700a21c5a8c1b8936a50f9e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-02-07T21:00:02Z",
    "title_canon_sha256": "75332e4e602b2f460f790aca7665f14e489524a6972a6a330bcbe392bfe93051"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1871",
    "kind": "arxiv",
    "version": 1
  }
}