Pith Number

pith:3D5SJCS2

pith:2018:3D5SJCS2CJVQRDIDVNR6QOQC5M

not attested not anchored not stored refs pending

Gravitational lensing detection of an extremely dense environment around a galaxy cluster

Alfonso Veropalumbo, Alina Streblyanska, Antonio Ferragamo, Carlo Giocoli, Federico Marulli, Giovanni Covone, Lauro Moscardini, Luca Izzo, Mauro Sereno (INAF-OAS, Rafael Barrena, Stefano Ettori, UniBo)

arxiv:1807.04277 v1 · 2018-07-11 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3D5SJCS2CJVQRDIDVNR6QOQC5M}

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	2026-05-18T00:10:53.958832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8fb248a5a126b088d03ab63e83a02eb2a90076d9bebcb1c79b93bbb2fbeb15c

Aliases

arxiv: 1807.04277 · arxiv_version: 1807.04277v1 · doi: 10.48550/arxiv.1807.04277 · pith_short_12: 3D5SJCS2CJVQ · pith_short_16: 3D5SJCS2CJVQRDID · pith_short_8: 3D5SJCS2

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/3D5SJCS2CJVQRDIDVNR6QOQC5M \
  | 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: d8fb248a5a126b088d03ab63e83a02eb2a90076d9bebcb1c79b93bbb2fbeb15c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ec867840245f0239d0e0449c5c589bca1c497b37105f65e35de321eebfae9dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-07-11T18:00:00Z",
    "title_canon_sha256": "bb5d3827266fe478283db9f450523a08e2d6e6cf66943850852f32bc61573c03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04277",
    "kind": "arxiv",
    "version": 1
  }
}