Pith Number

pith:J7IHV7QU

pith:2013:J7IHV7QUNOSLTUAWI7N2XRJSVJ

not attested not anchored not stored refs pending

The NGC 5253 star cluster system. I. Standard modelling and infrared-excess sources

2), (2) Kyung Hee University, (3) Stockholm University, China, Erik Zackrisson (3), G\"oran \"Ostlin (3) ((1) KIAA, Peking University, Peter Anders (1), Rep. of Korea, Richard de Grijs (1, Sweden)

arxiv:1303.0338 v1 · 2013-03-02 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J7IHV7QUNOSLTUAWI7N2XRJSVJ}

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	2026-05-18T01:51:17.919986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fd07afe146ba4b9d01647dbabc532aa6611e3d3ef27ba3186daebbd369bbe11

Aliases

arxiv: 1303.0338 · arxiv_version: 1303.0338v1 · doi: 10.48550/arxiv.1303.0338 · pith_short_12: J7IHV7QUNOSL · pith_short_16: J7IHV7QUNOSLTUAW · pith_short_8: J7IHV7QU

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/J7IHV7QUNOSLTUAWI7N2XRJSVJ \
  | 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: 4fd07afe146ba4b9d01647dbabc532aa6611e3d3ef27ba3186daebbd369bbe11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ca51fc90402eb960329742468a6b255fc27164c1079ceb88359aa1e22f56d53",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-03-02T02:59:43Z",
    "title_canon_sha256": "389f2a383e128e968cd7a67aa0c00036133e5989eaa4d84c930a9d549fdd0c7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0338",
    "kind": "arxiv",
    "version": 1
  }
}