Pith Number

pith:STU6XFIR

pith:2023:STU6XFIRFQ57KJ7RNDYNQYTBKM

not attested not anchored not stored refs pending

Black Hole masses for 14 gravitational lensed quasars

A. Melo, C. S. Kochanek, E. Falco, E. Mediavilla, F. \'Avila-Vera, J. Mej\'ia-Restrepo, N. Godoy, R. J. Assef, R. Jerez, V. Motta

arxiv:2306.03472 v1 · 2023-06-06 · 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{STU6XFIRFQ57KJ7RNDYNQYTBKM}

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.

Cited by

1 paper in Pith

Milli-arcsec X-ray positions and X-ray varstrometry for the strongly lensed AGN HE 0435-1223

Receipt and verification

First computed	2026-07-05T07:23:03.297501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94e9eb95112c3bf527f168f0d862615339f6f5b9cc4b1193c456e7549979baad

Aliases

arxiv: 2306.03472 · arxiv_version: 2306.03472v1 · doi: 10.48550/arxiv.2306.03472 · pith_short_12: STU6XFIRFQ57 · pith_short_16: STU6XFIRFQ57KJ7R · pith_short_8: STU6XFIR

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/STU6XFIRFQ57KJ7RNDYNQYTBKM \
  | 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: 94e9eb95112c3bf527f168f0d862615339f6f5b9cc4b1193c456e7549979baad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "343fff43f34b439c5cb979d3e5616b74a86bcd1d65c07c02dd476657f3da0602",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-06-06T07:45:22Z",
    "title_canon_sha256": "9b767a7fe1d1c40cf126bb00d87436aa79e913a69806d7dd2b30f4355c1b670e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.03472",
    "kind": "arxiv",
    "version": 1
  }
}