Pith Number

pith:4LQJLRG2

pith:2020:4LQJLRG2IIXGZ3MAV24JG4W2D6

not attested not anchored not stored refs pending

X-ray Observations of a [C II]-bright, z=6.59 Quasar/Companion System

Chiara Mazzucchelli, Daniel Stern, Eduardo Ba\~nados, Elisabeta Lusso, Emanuele Paolo Farina, Fabian Walter, Marcel Neeleman, Roberto Decarli, Thomas Connor, Xiaohui Fan

arxiv:2007.14571 v1 · 2020-07-29 · astro-ph.GA · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4LQJLRG2IIXGZ3MAV24JG4W2D6}

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	2026-07-05T01:23:16.941609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2e095c4da422e6ced80aeb89372da1fb60fdcb33b92da044c64f170aa9aff34

Aliases

arxiv: 2007.14571 · arxiv_version: 2007.14571v1 · doi: 10.48550/arxiv.2007.14571 · pith_short_12: 4LQJLRG2IIXG · pith_short_16: 4LQJLRG2IIXGZ3MA · pith_short_8: 4LQJLRG2

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/4LQJLRG2IIXGZ3MAV24JG4W2D6 \
  | 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: e2e095c4da422e6ced80aeb89372da1fb60fdcb33b92da044c64f170aa9aff34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5744afaba3d943ebf5d905cc1322aee2d9ebce7a84caf78052d2a6fb833db45c",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-07-29T03:24:02Z",
    "title_canon_sha256": "923c857ec7c187f38c61611d49f66676f2b1feb083f72d02e5bf132a3491787e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.14571",
    "kind": "arxiv",
    "version": 1
  }
}