Pith Number

pith:TJZZW6KV

pith:2014:TJZZW6KV6LOUMB5CDZXS6HBYQD

not attested not anchored not stored refs pending

Abundance of Field Galaxies

Anatoly Klypin, Dmitry Makarov, Igor Karachentsev, Olga Nasonova

arxiv:1405.4523 v2 · 2014-05-18 · astro-ph.CO · 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{TJZZW6KV6LOUMB5CDZXS6HBYQD}

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	2026-05-18T01:21:19.999567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a739b7955f2dd4607a21e6f2f1c3880ec59bf2d03a2a6a1697bae362b6e2cd7

Aliases

arxiv: 1405.4523 · arxiv_version: 1405.4523v2 · doi: 10.48550/arxiv.1405.4523 · pith_short_12: TJZZW6KV6LOU · pith_short_16: TJZZW6KV6LOUMB5C · pith_short_8: TJZZW6KV

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/TJZZW6KV6LOUMB5CDZXS6HBYQD \
  | 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: 9a739b7955f2dd4607a21e6f2f1c3880ec59bf2d03a2a6a1697bae362b6e2cd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5bcdebcf75f9d79954e8bf5aaf823b9170714cf853ed3aaf2a463fd7a8611ec",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-05-18T16:25:40Z",
    "title_canon_sha256": "3cb81fb4da25318b60342960a824cb63b9efd328aa71a9f638ad7aa7379c26d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.4523",
    "kind": "arxiv",
    "version": 2
  }
}