Pith Number

pith:VFAOP5B2

pith:2018:VFAOP5B2NMYUANAW6AUXXU3CJW

not attested not anchored not stored refs pending

Luminosity functions of cluster galaxies: The Near-ultraviolet luminosity function at $<z> \sim 0.05$

Finland (2) H. H. Wills Physics Laboratory, Malcolm Bremer (2), Roberto De Propris (1), Steven Phillipps (2) ((1) FINCA, UK), University of Bristol, University of Turku

arxiv:1807.10775 v1 · 2018-07-27 · 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{VFAOP5B2NMYUANAW6AUXXU3CJW}

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	2026-05-18T00:01:28.953334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a940e7f43a6b31403416f0297bd3624da28f4e28840417aebdc5b71b5cf90087

Aliases

arxiv: 1807.10775 · arxiv_version: 1807.10775v1 · doi: 10.48550/arxiv.1807.10775 · pith_short_12: VFAOP5B2NMYU · pith_short_16: VFAOP5B2NMYUANAW · pith_short_8: VFAOP5B2

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/VFAOP5B2NMYUANAW6AUXXU3CJW \
  | 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: a940e7f43a6b31403416f0297bd3624da28f4e28840417aebdc5b71b5cf90087

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "293fbcc0b50058093913d16ba30da05861c9dcb5e16fab56882aa9180f5b7962",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-07-27T18:00:05Z",
    "title_canon_sha256": "a07523ac26b8a2d101ba42ff7d3c864907d08b9c6bddec842ace903d98bb734c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.10775",
    "kind": "arxiv",
    "version": 1
  }
}