Pith Number

pith:Z6CQC7H5

pith:2015:Z6CQC7H5OZB75LM2JW2K6OUDFL

not attested not anchored not stored refs pending

HI observations of the nearest starburst galaxy NGC 253 with the SKA precursor KAT-7

C. Carignan, D. M. Lucero, E. C. Elson, G. H. Heald, T. A. Oosterloo, T. H. Jarrett, T. H. Randriamampandry

arxiv:1504.04082 v1 · 2015-04-16 · 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{Z6CQC7H5OZB75LM2JW2K6OUDFL}

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	2026-05-18T01:35:10.473171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf85017cfd7643fead9a4db4af3a832ad686c8d9a569b11c04d4f6cc9bb3f637

Aliases

arxiv: 1504.04082 · arxiv_version: 1504.04082v1 · doi: 10.48550/arxiv.1504.04082 · pith_short_12: Z6CQC7H5OZB7 · pith_short_16: Z6CQC7H5OZB75LM2 · pith_short_8: Z6CQC7H5

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/Z6CQC7H5OZB75LM2JW2K6OUDFL \
  | 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: cf85017cfd7643fead9a4db4af3a832ad686c8d9a569b11c04d4f6cc9bb3f637

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f400e3eb5408b1dee8784596eb5ed62ffab09b0df2ea9be366b32b8f8f7609ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-04-16T02:02:13Z",
    "title_canon_sha256": "5696b943c2f4c9e8b60de10bfa43a1278176d1ba465e1d35948ec61317daead5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04082",
    "kind": "arxiv",
    "version": 1
  }
}