Pith Number

pith:3U7QMIV2

pith:2023:3U7QMIV2KQVCUDOZW3LQI335AH

not attested not anchored not stored refs pending

A VLBI Proper Motion Analysis of the Recoiling Supermassive Black Hole Candidate Mrk 1018

Gregory Walsh, Sarah Burke-Spolaor, T. Joseph W. Lazio

arxiv:2306.01036 v1 · 2023-06-01 · 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{3U7QMIV2KQVCUDOZW3LQI335AH}

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	2026-07-05T06:34:35.751684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd3f0622ba542a2a0dd9b6d7046f7d01c99288b57e56dd3a6c7bcaf9f3a6543b

Aliases

arxiv: 2306.01036 · arxiv_version: 2306.01036v1 · doi: 10.48550/arxiv.2306.01036 · pith_short_12: 3U7QMIV2KQVC · pith_short_16: 3U7QMIV2KQVCUDOZ · pith_short_8: 3U7QMIV2

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/3U7QMIV2KQVCUDOZW3LQI335AH \
  | 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: dd3f0622ba542a2a0dd9b6d7046f7d01c99288b57e56dd3a6c7bcaf9f3a6543b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d7767afc2f0b28fae26420a1a59341192f2201795d8cbec4891836d8e9c30b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-06-01T18:00:00Z",
    "title_canon_sha256": "82cbbfb080e2e7fca727b973be8d1f2faa93f4326292f012aacd6e5229f781c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.01036",
    "kind": "arxiv",
    "version": 1
  }
}