Pith Number

pith:DB6ZSVFE

pith:2013:DB6ZSVFEWNUCDQP3ERD5RMS6GW

not attested not anchored not stored refs pending

Genuine Irregular Galaxies as a Relic of Building Blocks of Galaxies

A. Ichikawa, E. Hamaguchi, H. Ikeda, K. L. Murata, K. Matsuoka, K. Terao, M. A. R. Kobayashi, M. Kajisawa, M. Niida, M. Shimizu, Y. Shioya, Y. Taniguchi

arxiv:1312.0364 v1 · 2013-12-02 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DB6ZSVFEWNUCDQP3ERD5RMS6GW}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:49:30.738262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

187d9954a4b36821c1fb2447d8b25e35995987361d000d554fe50a80d733989e

Aliases

arxiv: 1312.0364 · arxiv_version: 1312.0364v1 · doi: 10.48550/arxiv.1312.0364 · pith_short_12: DB6ZSVFEWNUC · pith_short_16: DB6ZSVFEWNUCDQP3 · pith_short_8: DB6ZSVFE

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/DB6ZSVFEWNUCDQP3ERD5RMS6GW \
  | 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: 187d9954a4b36821c1fb2447d8b25e35995987361d000d554fe50a80d733989e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "840f55158f56e556ae963f25e6194bd369ff434d581173c84086c90a5053613d",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-12-02T07:45:46Z",
    "title_canon_sha256": "35c0b0b73e32c56dfdd110b85316ee8407ca2690e8c1a644d04a986b7b6609a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.0364",
    "kind": "arxiv",
    "version": 1
  }
}