Pith Number

pith:PRSCWXEY

pith:2015:PRSCWXEYF7U5VJMYQCCFAVWJK6

not attested not anchored not stored refs pending

A Hubble Diagram for Quasars

Elisabeta Lusso, Guido Risaliti

arxiv:1505.07118 v2 · 2015-05-26 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PRSCWXEYF7U5VJMYQCCFAVWJK6}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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

Revisiting $\Lambda$CDM extensions in light of re-analyzed CMB data

Receipt and verification

First computed	2026-05-18T01:25:00.161545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c642b5c982fe9daa59880845056c957adfea8267c2db62e1cd9bb2b5093d1e4

Aliases

arxiv: 1505.07118 · arxiv_version: 1505.07118v2 · doi: 10.48550/arxiv.1505.07118 · pith_short_12: PRSCWXEYF7U5 · pith_short_16: PRSCWXEYF7U5VJMY · pith_short_8: PRSCWXEY

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/PRSCWXEYF7U5VJMYQCCFAVWJK6 \
  | 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: 7c642b5c982fe9daa59880845056c957adfea8267c2db62e1cd9bb2b5093d1e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f397fbda82ed1e80e91e2765bbc526e478d86dc376caa1e143f35a73d0dc343c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-05-26T20:00:59Z",
    "title_canon_sha256": "3eeb662443541ec24a73c3cd777c7d6516c14c62ad477d346b68323265ecbb12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.07118",
    "kind": "arxiv",
    "version": 2
  }
}