Pith Number

pith:TK6PVOYJ

pith:2015:TK6PVOYJT5QGSYREXGHMABZBRS

not attested not anchored not stored refs pending

Explaining the reportedly over-massive black holes in early-type galaxies with intermediate-scale discs

Alister W. Graham (Centre for Astrophysics, Giulia A. D. Savorgnan, Supercomputing, Swinburne University of Technology)

arxiv:1511.05654 v2 · 2015-11-18 · 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{TK6PVOYJT5QGSYREXGHMABZBRS}

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	2026-05-18T01:22:00.456785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9abcfabb099f60696224b98ec007218cab1c702441cc22970825b342c7333d94

Aliases

arxiv: 1511.05654 · arxiv_version: 1511.05654v2 · doi: 10.48550/arxiv.1511.05654 · pith_short_12: TK6PVOYJT5QG · pith_short_16: TK6PVOYJT5QGSYRE · pith_short_8: TK6PVOYJ

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/TK6PVOYJT5QGSYREXGHMABZBRS \
  | 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: 9abcfabb099f60696224b98ec007218cab1c702441cc22970825b342c7333d94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31e1c26374f22f22b47f39dc2d1264aeba323f34232815d160826987b618c3e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-11-18T04:41:15Z",
    "title_canon_sha256": "826f8f855d778be45481c1122a5c8978e0662dbad30a2bcdee4ae7886a7100d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.05654",
    "kind": "arxiv",
    "version": 2
  }
}