Pith Number

pith:GXYSVYK5

pith:2011:GXYSVYK5VV3CDNSYKBX6W66ZFM

not attested not anchored not stored refs pending

VLT spectroscopy of low-metallicity emission-line galaxies: abundance patterns and abundance discrepancies

2, 2), (2) Main Astronomical Observatory, 3), (3) LUTH, 4), (4) Institute for Astrophysics, (5) Centro de Astrofisica da Universidade do Porto, 6) ((1) Max-Planck-Institute for Radioastronomy, (6) Department of Astronomy, Bonn, C. Henkel (1), France, Germany, Goettingen, G. Stasinska (3), K. J. Fricke (1, Kyiv, Meudon, N. G. Guseva (1, Observatoire de Meudon, Oskar Klein Centre, Porto, Portugal, P. Papaderos (5, Stockholm, Stockholm University, Sweden), Ukraine, University of Goettingen, Y. I. Izotov (1

arxiv:1111.1392 v1 · 2011-11-06 · 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{GXYSVYK5VV3CDNSYKBX6W66ZFM}

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	2026-05-18T04:09:26.296810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35f12ae15dad7621b658506feb7bd92b23f15ff7b8b13c0ca12cd631fd269202

Aliases

arxiv: 1111.1392 · arxiv_version: 1111.1392v1 · doi: 10.48550/arxiv.1111.1392 · pith_short_12: GXYSVYK5VV3C · pith_short_16: GXYSVYK5VV3CDNSY · pith_short_8: GXYSVYK5

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/GXYSVYK5VV3CDNSYKBX6W66ZFM \
  | 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: 35f12ae15dad7621b658506feb7bd92b23f15ff7b8b13c0ca12cd631fd269202

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40216f221ef5c13fd7c179f98458e48c0ed3dbc2e439a0c9cfecb7a2c0d598ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-11-06T09:37:50Z",
    "title_canon_sha256": "91af188048ad90b4661b9cd16bf70a46043a3323b9c8d02d6b29ac373c74ce2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1392",
    "kind": "arxiv",
    "version": 1
  }
}