Pith Number

pith:7RPLBQKI

pith:2015:7RPLBQKIP23DVHTCTD7BQ4GJKJ

not attested not anchored not stored refs pending

Morfometryka -- A New Way of Establishing Morphological Classification of Galaxies

(2) INPE, 3) ((1) FURG, (3) IAP), Fabricio Ferrari (1), Marina Trevisan (2, Reinaldo Ramos de Carvalho (2)

arxiv:1509.05430 v1 · 2015-09-17 · astro-ph.GA · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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.

Cited by

1 paper in Pith

Probing the origin of the kilonova candidate GRB 230307A: analysis of host galaxy and offset

Receipt and verification

First computed	2026-05-18T01:32:43.213633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc5eb0c1487eb63a9e6298fe1870c9525442833028c03c1dfac45b52a07c7035

Aliases

arxiv: 1509.05430 · arxiv_version: 1509.05430v1 · doi: 10.48550/arxiv.1509.05430 · pith_short_12: 7RPLBQKIP23D · pith_short_16: 7RPLBQKIP23DVHTC · pith_short_8: 7RPLBQKI

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/7RPLBQKIP23DVHTCTD7BQ4GJKJ \
  | 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: fc5eb0c1487eb63a9e6298fe1870c9525442833028c03c1dfac45b52a07c7035

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22e67f4c743c8a4d76b604ea8f48543a8c6b0a6bdb78f8cfb3ff99509baf1f20",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-09-17T20:21:40Z",
    "title_canon_sha256": "3d6b81f3886ca0ee11af1f3bb6c73215d1de20e9435466ac9a3857e7458ea826"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05430",
    "kind": "arxiv",
    "version": 1
  }
}