Pith Number

pith:CZ56TFF6

pith:2017:CZ56TFF6BHXG7QD542IIFWDN3F

not attested not anchored not stored refs pending

Milli-arcsecond imaging of the radio emission from the quasar with the most massive black hole at reionization

Chris L. Carilli, Emmanuel Momjian, Fabian Walter, Feige Wang, Linhua Jiang, Michael A. Strauss, Ran Wang, Xiaohui Fan, Xue-Bing Wu

arxiv:1701.03260 v1 · 2017-01-12 · 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{CZ56TFF6BHXG7QD542IIFWDN3F}

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	2026-05-18T00:51:41.106973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

167be994be09ee6fc07de69082d86dd95bd4f703ef91242fc4310acfa42d2ff0

Aliases

arxiv: 1701.03260 · arxiv_version: 1701.03260v1 · doi: 10.48550/arxiv.1701.03260 · pith_short_12: CZ56TFF6BHXG · pith_short_16: CZ56TFF6BHXG7QD5 · pith_short_8: CZ56TFF6

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/CZ56TFF6BHXG7QD542IIFWDN3F \
  | 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: 167be994be09ee6fc07de69082d86dd95bd4f703ef91242fc4310acfa42d2ff0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "113f813bc91d5317e611bc7e1f53ca59813de02d875c6dfaff7fbc964bf16f2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-01-12T08:03:29Z",
    "title_canon_sha256": "8852d86296ec7a39584cc84bffd3fe969bbd21c8d2311ed585554e2a7c20f1d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.03260",
    "kind": "arxiv",
    "version": 1
  }
}