Pith Number

pith:KZUOGWKV

pith:2022:KZUOGWKVJSSDHQKETQ7M5FSXHH

not attested not anchored not stored refs pending

Testing Primordial Black Hole Dark Matter with ALMA Observations of the Gravitational Lens B1422+231

Athol J. Kemball, Di Wen

arxiv:2210.16444 v1 · 2022-10-29 · astro-ph.CO · 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{KZUOGWKVJSSDHQKETQ7M5FSXHH}

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

Constraining compact dark matter with time-varying quasar equivalent widths

Receipt and verification

First computed	2026-07-05T05:11:46.460105Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5668e359554ca433c1449c3ece965739ed7d86dfc3860c945bdf87ca89c0d97b

Aliases

arxiv: 2210.16444 · arxiv_version: 2210.16444v1 · doi: 10.48550/arxiv.2210.16444 · pith_short_12: KZUOGWKVJSSD · pith_short_16: KZUOGWKVJSSDHQKE · pith_short_8: KZUOGWKV

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/KZUOGWKVJSSDHQKETQ7M5FSXHH \
  | 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: 5668e359554ca433c1449c3ece965739ed7d86dfc3860c945bdf87ca89c0d97b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2cfd2cbed16f60783ab43e9807f809ae7530a488c1a5ce09322344c99597099",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2022-10-29T00:02:48Z",
    "title_canon_sha256": "78592b9be7be1932bab24abc1b3b2059bb2ecb20bb9816dcdcd696f2e5b94328"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.16444",
    "kind": "arxiv",
    "version": 1
  }
}