Pith Number

pith:3E7LWVYR

pith:2019:3E7LWVYRH5EWFRQLOC3XGI2TWT

not attested not anchored not stored refs pending

Galaxy sizes and the galaxy-halo connection -- I: the remarkable tightness of the size distributions

Andrea Lapi, Christopher Duckworth, Francesco Shankar, Lorenzo Zanisi, Marc Huertas-Company, Mariangela Bernardi, Nicola Menci, Paolo Salucci, Philip Grylls

arxiv:1912.02831 v1 · 2019-12-05 · 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{3E7LWVYRH5EWFRQLOC3XGI2TWT}

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	2026-07-05T00:30:38.520959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d93ebb57113f4962c60b70b7732353b4f3754326af0ceaff8944428c931069ee

Aliases

arxiv: 1912.02831 · arxiv_version: 1912.02831v1 · doi: 10.48550/arxiv.1912.02831 · pith_short_12: 3E7LWVYRH5EW · pith_short_16: 3E7LWVYRH5EWFRQL · pith_short_8: 3E7LWVYR

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/3E7LWVYRH5EWFRQLOC3XGI2TWT \
  | 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: d93ebb57113f4962c60b70b7732353b4f3754326af0ceaff8944428c931069ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b3f6423db87de802e384edde98f4fc35755d44c2103fb53d508ac40d3ab1301",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-12-05T19:00:05Z",
    "title_canon_sha256": "5673761fc7cbd454287cbd625a61651cd311d8b6075251992b34b979e2e4432e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.02831",
    "kind": "arxiv",
    "version": 1
  }
}