Pith Number

pith:RIFKPL4P

pith:2018:RIFKPL4PPNBNJHOV37UUJLEIVY

not attested not anchored not stored refs pending

MUSE crowded field 3D spectroscopy in NGC300 I. First results from central fields

A. Kelz, A. Monreal-Ibero, C. Sandin, M. den Brok, M.M. Roth, M. Steinmetz, P. M. Weilbacher, R. A. Marino, R. Bacon, S. Dreizler, S. Kamann, T.-O. Husser

arxiv:1806.04280 v1 · 2018-06-12 · 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{RIFKPL4PPNBNJHOV37UUJLEIVY}

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	2026-05-18T00:04:16.963080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a0aa7af8f7b42d49dd5dfe944ac88ae194e43ee4d8d4d9b1dd127783587dfd1

Aliases

arxiv: 1806.04280 · arxiv_version: 1806.04280v1 · doi: 10.48550/arxiv.1806.04280 · pith_short_12: RIFKPL4PPNBN · pith_short_16: RIFKPL4PPNBNJHOV · pith_short_8: RIFKPL4P

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/RIFKPL4PPNBNJHOV37UUJLEIVY \
  | 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: 8a0aa7af8f7b42d49dd5dfe944ac88ae194e43ee4d8d4d9b1dd127783587dfd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0aa3fd524baffb4c746685c9bf4ad92c44efd1ad32726e7b9d0ed3c0b2369380",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-06-12T00:37:14Z",
    "title_canon_sha256": "1ef6c2bd79eab3981d9b45c2735a05618a05219ac85427cd48d3d4e3de78d7bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.04280",
    "kind": "arxiv",
    "version": 1
  }
}