Pith Number

pith:56EFW7T5

pith:2013:56EFW7T5HCY7WXHHQYTLIEV2QL

not attested not anchored not stored refs pending

Explaining two circumnuclear star forming rings in NGC5248

C. Mundell, E. Emsellem, E. Schinnerer, G. Dumas, H. Wozniak, L. Hunt, S. Haan, S. Meidt, T. Boeker, T.P.R. van der Laan

arxiv:1306.5758 v1 · 2013-06-24 · 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{56EFW7T5HCY7WXHHQYTLIEV2QL}

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	2026-05-18T01:49:08.461920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef885b7e7d38b1fb5ce78626b412ba82e1cb3699e518ee3e0a32135d4cd6d9f8

Aliases

arxiv: 1306.5758 · arxiv_version: 1306.5758v1 · doi: 10.48550/arxiv.1306.5758 · pith_short_12: 56EFW7T5HCY7 · pith_short_16: 56EFW7T5HCY7WXHH · pith_short_8: 56EFW7T5

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/56EFW7T5HCY7WXHHQYTLIEV2QL \
  | 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: ef885b7e7d38b1fb5ce78626b412ba82e1cb3699e518ee3e0a32135d4cd6d9f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "394ee88e2b9cbfc1774e075f7ecb046c99f3c0ee5495865bf7cac3fe4e0b09a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-06-24T20:00:18Z",
    "title_canon_sha256": "e47ea2255778397d74aaa8e98a77e3186caf29ef765fb20e3f51e5052d895aa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5758",
    "kind": "arxiv",
    "version": 1
  }
}