Pith Number

pith:3IAJYN5I

pith:2017:3IAJYN5IOPMNJYLCFM2JHNAOJI

not attested not anchored not stored refs pending

Morphology and enhanced star formation in a Cartwheel-like ring galaxy

A. Bosma, B. Epinat, C. Struck, E. Athanassoula, F. Bournaud, F. Renaud, J. Fensch, K. Kraljic, P.-A. Duc, P. Amram, V. Perret

arxiv:1709.02826 v1 · 2017-09-08 · 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{3IAJYN5IOPMNJYLCFM2JHNAOJI}

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	2026-05-18T00:31:39.909426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da009c37a873d8d4e1622b3493b40e4a185c5b3bca4bdd4018223d594e31de7e

Aliases

arxiv: 1709.02826 · arxiv_version: 1709.02826v1 · doi: 10.48550/arxiv.1709.02826 · pith_short_12: 3IAJYN5IOPMN · pith_short_16: 3IAJYN5IOPMNJYLC · pith_short_8: 3IAJYN5I

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/3IAJYN5IOPMNJYLCFM2JHNAOJI \
  | 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: da009c37a873d8d4e1622b3493b40e4a185c5b3bca4bdd4018223d594e31de7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06d5eeaf9f55c79006dd0bcaf7c90d5579946ffdd1576664939d7add9d290052",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-09-08T18:21:16Z",
    "title_canon_sha256": "7385f00f44e4543cfd74e97ed8ae8d13b3cde481d71769d98721ec4e30f7aca3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02826",
    "kind": "arxiv",
    "version": 1
  }
}