Pith Number

pith:HMXMDFHA

pith:2014:HMXMDFHAXXQOTPL66QGMD5SSTB

not attested not anchored not stored refs pending

A spinning supermassive black hole binary model consistent with VLBI observations of the S5 1928+738 jet

E. Kun, K. \'E. Gab\'anyi, L. \'A. Gergely, M. Karouzos, S. Britzen

arxiv:1402.2644 v3 · 2014-02-11 · astro-ph.HE · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HMXMDFHAXXQOTPL66QGMD5SSTB}

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	2026-05-18T02:38:44.381455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b2ec194e0bde0e9bd7ef40cc1f65298537252aa50e2a57e84edf7406140c24f

Aliases

arxiv: 1402.2644 · arxiv_version: 1402.2644v3 · doi: 10.48550/arxiv.1402.2644 · pith_short_12: HMXMDFHAXXQO · pith_short_16: HMXMDFHAXXQOTPL6 · pith_short_8: HMXMDFHA

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/HMXMDFHAXXQOTPL66QGMD5SSTB \
  | 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: 3b2ec194e0bde0e9bd7ef40cc1f65298537252aa50e2a57e84edf7406140c24f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35b4aa7f626fc561735e5cd9ed29a98fc9f7fa0a0a8b55d58302765c652df86c",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-02-11T20:54:50Z",
    "title_canon_sha256": "7c7d0c375450a8b4e6e6fb2fb2be6993664197514cc4f423db40f6a3335b4195"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.2644",
    "kind": "arxiv",
    "version": 3
  }
}