Pith Number

pith:D2ZZQNGB

pith:2018:D2ZZQNGB4UIJY3DYBF255NDAFR

not attested not anchored not stored refs pending

The Frequency of Dwarf Galaxy Multiples at Low Redshift in SDSS vs. Cosmological Expectations

Caltech), David R. Patton (Trent), Ekta Patel (UA), George Privon (U Florida), Gurtina Besla (UA), Kelsey Johnson (UVa), Mary E. Putman (Columbia), Nitya J. Kallivayalil (UVa), Sabrina Stierwalt (UVa, Sarah Pearson (Columbia), Vicente Rodriguez-Gomez (JHU)

arxiv:1807.06673 v1 · 2018-07-17 · 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{D2ZZQNGB4UIJY3DYBF255NDAFR}

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	2026-05-18T00:08:38.081530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1eb39834c1e5109c6c780975deb4602c72b591f72cda1a40579f56b6c525ac13

Aliases

arxiv: 1807.06673 · arxiv_version: 1807.06673v1 · doi: 10.48550/arxiv.1807.06673 · pith_short_12: D2ZZQNGB4UIJ · pith_short_16: D2ZZQNGB4UIJY3DY · pith_short_8: D2ZZQNGB

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/D2ZZQNGB4UIJY3DYBF255NDAFR \
  | 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: 1eb39834c1e5109c6c780975deb4602c72b591f72cda1a40579f56b6c525ac13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a1e1c078be0628f459aa58a487432e885ccbe88d22d8e60131a3b5209a7d025",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-07-17T21:08:33Z",
    "title_canon_sha256": "f5843e95f6eeb8e6b93a543015cf0cbada08f41db4b2b02a41c9b0fe8d001bdd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.06673",
    "kind": "arxiv",
    "version": 1
  }
}