Pith Number

pith:CE2DAB3L

pith:2017:CE2DAB3L5LWMXZJI3ERAI6BVBR

not attested not anchored not stored refs pending

Copious Amounts of Dust and Gas in a z=7.5 Quasar Host Galaxy

Axel Weiss, Bram Venemans, Chiara Mazzucchelli, Chris Carilli, Eduardo Ba\~nados, Elisabete da Cunha, Emanuele Farina, Fabian Walter, Hans-Walter Rix, Jan Martin Winters, Karl Schuster, Roberto Decarli, Xiaohui Fan

arxiv:1712.01886 v1 · 2017-12-05 · 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{CE2DAB3L5LWMXZJI3ERAI6BVBR}

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	2026-05-18T00:28:39.818723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

113430076beaeccbe528d9220478350c6f0d97a8201de02fb1e24c12c9ff9bcc

Aliases

arxiv: 1712.01886 · arxiv_version: 1712.01886v1 · doi: 10.48550/arxiv.1712.01886 · pith_short_12: CE2DAB3L5LWM · pith_short_16: CE2DAB3L5LWMXZJI · pith_short_8: CE2DAB3L

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/CE2DAB3L5LWMXZJI3ERAI6BVBR \
  | 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: 113430076beaeccbe528d9220478350c6f0d97a8201de02fb1e24c12c9ff9bcc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b188ddf2f83967c8285008145d2192e9374e9adf57e7e74730f756f7e61cbe9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-12-05T19:45:18Z",
    "title_canon_sha256": "afff6d10fa6cc68a59a7b9901ec66da217683b81bb80ecd9a4563f8b57eade5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.01886",
    "kind": "arxiv",
    "version": 1
  }
}