Pith Number

pith:64APA7YA

pith:2021:64APA7YAXRWEER7J66UBR7SKJA

not attested not anchored not stored refs pending

A Giant Molecular Cloud Catalog in the Molecular Disk of the Elliptical Galaxy NGC 5128 (Centaurus A)

A.B. Peck, A. Hirota, B. Vila-Vilaro, C. Henkel, C. Vlahakis, D. Espada, D. Iono, E. R. Miura, F.P. Israel, H. Takemura, J. Ott, K. Kohno, K. Morokuma-Matsui, M. Hogerheijde, M. Kobayashi, N. Neumayer, S. Aalto, S. Komugi, S. Matsushita, S. Verley

arxiv:2104.12442 v1 · 2021-04-26 · 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{64APA7YAXRWEER7J66UBR7SKJA}

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	2026-07-05T03:30:31.307237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f700f07f00bc6c4247e9f7a818fe4a480e4b9ba2e9c171af0da5aef6d363359a

Aliases

arxiv: 2104.12442 · arxiv_version: 2104.12442v1 · doi: 10.48550/arxiv.2104.12442 · pith_short_12: 64APA7YAXRWE · pith_short_16: 64APA7YAXRWEER7J · pith_short_8: 64APA7YA

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/64APA7YAXRWEER7J66UBR7SKJA \
  | 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: f700f07f00bc6c4247e9f7a818fe4a480e4b9ba2e9c171af0da5aef6d363359a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a52e52173bccb711cb14c8a89020d470f4406cfb619fe74873d236050f9f9f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-04-26T10:15:34Z",
    "title_canon_sha256": "de600a7beefed10adcbccc1f4e3203e7cff22cb42957f75acec5a9eb379a8437"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.12442",
    "kind": "arxiv",
    "version": 1
  }
}