Pith Number

pith:3ZOHCZEO

pith:2019:3ZOHCZEOWZGDONLNS2FAS3A5I6

not attested not anchored not stored refs pending

A Catalog of the Most Optically Luminous Galaxies at z<0.3: Super Spirals, Super Lenticulars, Super Post-Mergers, and Giant Ellipticals

George Helou, Joseph Mazzarella, Lauranne Lanz, Patrick M. Ogle, Philip N. Appleton

arxiv:1904.02806 v1 · 2019-04-04 · 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{3ZOHCZEOWZGDONLNS2FAS3A5I6}

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	2026-07-05T00:03:44.727690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de5c71648eb64c37356d968a096c1d47b3e870d827e2370f430ef6a6f589258a

Aliases

arxiv: 1904.02806 · arxiv_version: 1904.02806v1 · doi: 10.48550/arxiv.1904.02806 · pith_short_12: 3ZOHCZEOWZGD · pith_short_16: 3ZOHCZEOWZGDONLN · pith_short_8: 3ZOHCZEO

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/3ZOHCZEOWZGDONLNS2FAS3A5I6 \
  | 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: de5c71648eb64c37356d968a096c1d47b3e870d827e2370f430ef6a6f589258a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a649b01e77f1970284ecb8dfa289f9d8063d7b42599559bf66033eeddf85d65b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-04T22:04:44Z",
    "title_canon_sha256": "54bd79012fa98db0ba018cffb8cfa1902c3dd70a1833458bfa47b06492d6f3ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02806",
    "kind": "arxiv",
    "version": 1
  }
}