Pith Number

pith:5PK3ZJLY

pith:2017:5PK3ZJLY4U3CN5XW7MIZZXAO3Z

not attested not anchored not stored refs pending

Characterising and Identifying Galaxy Protoclusters

Christopher C. Lovell, Peter A. Thomas, Stephen M. Wilkins

arxiv:1710.02148 v3 · 2017-10-05 · 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{5PK3ZJLY4U3CN5XW7MIZZXAO3Z}

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	2026-05-18T00:28:22.488577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebd5bca578e53626f6f6fb119cdc0ede5e68f42d7d341a74fbc4298f64f3298d

Aliases

arxiv: 1710.02148 · arxiv_version: 1710.02148v3 · doi: 10.48550/arxiv.1710.02148 · pith_short_12: 5PK3ZJLY4U3C · pith_short_16: 5PK3ZJLY4U3CN5XW · pith_short_8: 5PK3ZJLY

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/5PK3ZJLY4U3CN5XW7MIZZXAO3Z \
  | 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: ebd5bca578e53626f6f6fb119cdc0ede5e68f42d7d341a74fbc4298f64f3298d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2216dafed26d2f5578d671d370b025fdd702e0aec4941471ce4a25cbaf6dad83",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-10-05T18:00:02Z",
    "title_canon_sha256": "e625e595078a98e12e6713aab9574ea160cb5e9ad43b26f8965bf7525ccc165c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.02148",
    "kind": "arxiv",
    "version": 3
  }
}