Pith Number

pith:KTV2IVT4

pith:2014:KTV2IVT4IMTDXQMX2KPGCPSANX

not attested not anchored not stored refs pending

The primordial environment of super massive black holes: large scale galaxy overdensities around $z\sim6$ QSOs with LBT

A. Comastri, C. Vignali, E. Sani, E. Vanzella, G. Zamorani, L. Morselli, M. Brusa, M. Mignoli, N. Cappelluti, R. Gilli, S. Gallozzi

arxiv:1406.3961 v1 · 2014-06-16 · astro-ph.GA · 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{KTV2IVT4IMTDXQMX2KPGCPSANX}

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	2026-05-18T02:43:35.018831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54eba4567c43263bc197d29e613e406dc8e62788250b33ed5e5f5c03b6f26157

Aliases

arxiv: 1406.3961 · arxiv_version: 1406.3961v1 · doi: 10.48550/arxiv.1406.3961 · pith_short_12: KTV2IVT4IMTD · pith_short_16: KTV2IVT4IMTDXQMX · pith_short_8: KTV2IVT4

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/KTV2IVT4IMTDXQMX2KPGCPSANX \
  | 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: 54eba4567c43263bc197d29e613e406dc8e62788250b33ed5e5f5c03b6f26157

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de17960ecbd59d7b116ff1db280173707ef966a84be474b721925545725da151",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-06-16T10:40:35Z",
    "title_canon_sha256": "5557cdb67d2a2f18d36aa380fc0886649cea42cfa3c3edb2d1cd0d2f6e722083"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.3961",
    "kind": "arxiv",
    "version": 1
  }
}