Pith Number

pith:3HDOILUU

pith:2020:3HDOILUUUQVT6JLMHIRENB2X4W

not attested not anchored not stored refs pending

A Systematic Search for Galaxy Proto-Cluster Cores at $z\sim 2$

Kazuhiro Shimasaku, Makoto Ando, Rieko Momose

arxiv:2002.10511 v2 · 2020-02-24 · 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{3HDOILUUUQVT6JLMHIRENB2X4W}

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	2026-07-05T01:12:38.861003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9c6e42e94a42b3f256c3a22468757e58beea343eb4bb59c3306681aaec2f9a1

Aliases

arxiv: 2002.10511 · arxiv_version: 2002.10511v2 · doi: 10.48550/arxiv.2002.10511 · pith_short_12: 3HDOILUUUQVT · pith_short_16: 3HDOILUUUQVT6JLM · pith_short_8: 3HDOILUU

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/3HDOILUUUQVT6JLMHIRENB2X4W \
  | 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: d9c6e42e94a42b3f256c3a22468757e58beea343eb4bb59c3306681aaec2f9a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30883d29413cc332a7edc36b59ffa0d470e8b43d32f8e76912ce137c3786cb03",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-02-24T19:59:05Z",
    "title_canon_sha256": "96b2ca653eb8cbffcd6cfa7faac16f232cae64251d1dbc612329923e68cf10a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.10511",
    "kind": "arxiv",
    "version": 2
  }
}