Pith Number

pith:BPB76EP2

pith:2019:BPB76EP2E5ZWXS56ZU6GD6WKDE

not attested not anchored not stored refs pending

The angular scale of homogeneity in the Local Universe with the SDSS blue galaxies

A. Bernui, C. P. Novaes, E. de Carvalho, F. Avila, J. P. Nogueira-Cavalcante

arxiv:1906.10744 v1 · 2019-06-25 · 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{BPB76EP2E5ZWXS56ZU6GD6WKDE}

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	2026-05-17T23:41:07.387632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bc3ff11fa27736bcbbecd3c61faca1922a77b73b03abdce65ed05332ab3a8c8

Aliases

arxiv: 1906.10744 · arxiv_version: 1906.10744v1 · doi: 10.48550/arxiv.1906.10744 · pith_short_12: BPB76EP2E5ZW · pith_short_16: BPB76EP2E5ZWXS56 · pith_short_8: BPB76EP2

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/BPB76EP2E5ZWXS56ZU6GD6WKDE \
  | 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: 0bc3ff11fa27736bcbbecd3c61faca1922a77b73b03abdce65ed05332ab3a8c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2af08f9bf994bd7538f733d19d48c92831bf5fa9d7851641849b345738d095b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-06-25T19:51:26Z",
    "title_canon_sha256": "bb820450708b2fe2938fc908ae874d1e62e9f55ae03319830e58e98a9f0c2eb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.10744",
    "kind": "arxiv",
    "version": 1
  }
}