Pith Number

pith:NNNMFSWN

pith:2011:NNNMFSWNBUSJQKVV7WUYYBNPCU

not attested not anchored not stored refs pending

Integral Field Spectroscopy of a sample of nearby galaxies. I. Sample, Observations and Data Reduction

A. Gil de Paz, D. Mast, E. Marmol-Queralto, F.F. Rosales-Ortega, J. Iglesias-Paramo, J.M. Vilchez, K. Viironen, R.A. Marino, S.F. Sanchez

arxiv:1106.4183 v1 · 2011-06-21 · 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{NNNMFSWNBUSJQKVV7WUYYBNPCU}

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	2026-05-18T02:01:32.434300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b5ac2cacd0d24982ab5fda98c05af1515579e0e0cf0606e1308072553b38c18

Aliases

arxiv: 1106.4183 · arxiv_version: 1106.4183v1 · doi: 10.48550/arxiv.1106.4183 · pith_short_12: NNNMFSWNBUSJ · pith_short_16: NNNMFSWNBUSJQKVV · pith_short_8: NNNMFSWN

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/NNNMFSWNBUSJQKVV7WUYYBNPCU \
  | 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: 6b5ac2cacd0d24982ab5fda98c05af1515579e0e0cf0606e1308072553b38c18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe88bbc07ea6adfe9eb2a391bf49ba0fb667d749c0a5fd36781a6c8170c2dcc2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-06-21T12:31:57Z",
    "title_canon_sha256": "60fb0d7a4a8f527ffffc2691c926e55e31244a7813e0090aff30d4d79722d403"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.4183",
    "kind": "arxiv",
    "version": 1
  }
}