Pith Number

pith:QTQBSGII

pith:2022:QTQBSGII7BNMLVQ73AAYD7MFKH

not attested not anchored not stored refs pending

VLBI imaging of the pre-coalescence SMBHB candidate SDSS J143016.05+230344.4

A. Wang, H. Yang, L. Dou, N. Jiang, T. An, T. Wang, X. Shu, Y. Zhang, Z. Pan, Z. Zheng

arxiv:2205.03208 v1 · 2022-05-06 · 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{QTQBSGII7BNMLVQ73AAYD7MFKH}

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	2026-07-05T04:43:45.512691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84e0191908f85ac5d61fd80181fd8551fb035eded88dbd5579f1a8e368b95221

Aliases

arxiv: 2205.03208 · arxiv_version: 2205.03208v1 · doi: 10.48550/arxiv.2205.03208 · pith_short_12: QTQBSGII7BNM · pith_short_16: QTQBSGII7BNMLVQ7 · pith_short_8: QTQBSGII

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/QTQBSGII7BNMLVQ73AAYD7MFKH \
  | 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: 84e0191908f85ac5d61fd80181fd8551fb035eded88dbd5579f1a8e368b95221

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ad1f84f6cb90f5f7b2e80495f0462696ae40aa118df16e3c738d2ba215cbcb7",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-05-06T13:37:28Z",
    "title_canon_sha256": "296c23939b0a20ae74eae45e5c74c52bd03f1f3b5f0eb2cb47ad941718fd9006"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.03208",
    "kind": "arxiv",
    "version": 1
  }
}