Pith Number

pith:CBPNNT24

pith:2015:CBPNNT24S3JHDGKN6ZGVLMFZBO

not attested not anchored not stored refs pending

Quasar Quartet Embedded in Giant Nebula Reveals Rare Massive Structure in Distant Universe

(2) UCO Lick -- Observatory/UC Santa Cruz, 3), (3) ETH Zurich), Fabrizio Arrigoni-Battaia (1) ((1) Max Planck Institute for Astronomy, Joseph F. Hennawi (1), J. Xavier Prochaska (2), Sebastiano Cantalupo (2

arxiv:1505.03786 v1 · 2015-05-14 · 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{CBPNNT24S3JHDGKN6ZGVLMFZBO}

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	2026-05-18T02:09:53.082610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

105ed6cf5c96d271994df64d55b0b90bb467dbadfb167a272cc470cab6bdc0a9

Aliases

arxiv: 1505.03786 · arxiv_version: 1505.03786v1 · doi: 10.48550/arxiv.1505.03786 · pith_short_12: CBPNNT24S3JH · pith_short_16: CBPNNT24S3JHDGKN · pith_short_8: CBPNNT24

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/CBPNNT24S3JHDGKN6ZGVLMFZBO \
  | 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: 105ed6cf5c96d271994df64d55b0b90bb467dbadfb167a272cc470cab6bdc0a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "528135f6835503d5ac375bfea4cbc0bd9b9a0f584d2d47dac6a6b462c236b92f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-05-14T16:25:58Z",
    "title_canon_sha256": "19ee43b2ffcdede21b1bd7ea642fcc965165e9d96efce6072b9743534cf4477d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.03786",
    "kind": "arxiv",
    "version": 1
  }
}