Pith Number

pith:UIXKQ4QM

pith:2022:UIXKQ4QMTGZBG6MWZITNZZ2PHS

not attested not anchored not stored refs pending

ALMA 200 pc imaging of a z~7 quasar reveals a compact, disk-like host galaxy

Axel Weiss, Bram Venemans, Chris Carilli, Dominik Riechers, Eduardo Banados, Fabian Walter, Hans-Walter Rix, Marcel Neeleman, Roberto Decarli, Romain Meyer, Sarah E. I. Bosman, Todd A. Thompson, Xiaohui Fan

arxiv:2201.06396 v1 · 2022-01-17 · 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{UIXKQ4QMTGZBG6MWZITNZZ2PHS}

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	2026-07-05T04:03:02.171279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a22ea8720c99b2137996ca26dce74f3ca2e161c91c53e5a51da3b9eb0ba8325f

Aliases

arxiv: 2201.06396 · arxiv_version: 2201.06396v1 · doi: 10.48550/arxiv.2201.06396 · pith_short_12: UIXKQ4QMTGZB · pith_short_16: UIXKQ4QMTGZBG6MW · pith_short_8: UIXKQ4QM

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/UIXKQ4QMTGZBG6MWZITNZZ2PHS \
  | 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: a22ea8720c99b2137996ca26dce74f3ca2e161c91c53e5a51da3b9eb0ba8325f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21e0b4cc4abc756e5f93db6d9bf8b64e6c92c4fba602946b5a0c0391d804ec49",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-01-17T13:22:26Z",
    "title_canon_sha256": "7c4a8f23e657bcf70d6a2514ea13380b4f1c3290145b3e47de43bb969e53e92f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.06396",
    "kind": "arxiv",
    "version": 1
  }
}