Pith Number

pith:RJCMMHOA

pith:2017:RJCMMHOAXEPQVEZ46IWHKJAI2G

not attested not anchored not stored refs pending

The puzzling interpretation of NIR indices: The case of NaI2.21

2), 2) ((1) Instituto de Astrof\'isica de Canarias, (3) INAF-Osservatorio Astronomico di Capodimonte, (4) Kapteyn Astronomical Institute, A. Vazdekis (1, B. R\"ock (1, C. Allende-Prieto (1, D. S. Aguado (1, F. La Barbera (3), Italy, J.H. Knapen (1, Naples, R.F. Peletier (4), Spain, Spain (2) Departamento de Astrof\'isica, Tenerife, the Netherlands), Universidad de La Laguna, University of Groningen

arxiv:1708.04638 v1 · 2017-08-15 · 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{RJCMMHOAXEPQVEZ46IWHKJAI2G}

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	2026-05-18T00:34:46.476870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a44c61dc0b91f0a933cf22c752408d196a75fbfbcb8d289d3e5a07046141cc1

Aliases

arxiv: 1708.04638 · arxiv_version: 1708.04638v1 · doi: 10.48550/arxiv.1708.04638 · pith_short_12: RJCMMHOAXEPQ · pith_short_16: RJCMMHOAXEPQVEZ4 · pith_short_8: RJCMMHOA

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/RJCMMHOAXEPQVEZ46IWHKJAI2G \
  | 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: 8a44c61dc0b91f0a933cf22c752408d196a75fbfbcb8d289d3e5a07046141cc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dac9352f23f1a140e0f0cd6138e1b363c96c388aec13a033029f67c0b4104f76",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-08-15T18:36:36Z",
    "title_canon_sha256": "0109678489f4bc61c6ad2e93b80813b1e2d486aab0613fd54b9e47fe251c17ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.04638",
    "kind": "arxiv",
    "version": 1
  }
}