Pith Number

pith:OKXJXHY3

pith:2015:OKXJXHY3Z6WILWD7BKPFWTZEDC

not attested not anchored not stored refs pending

Outer-disk reddening and gas-phase metallicities: The CALIFA connection

A. Castillo-Morales, A. de Lorenzo-C\'aceres, A. Gil de Paz, A. R. L\'opez-S\'anchez, C. Catal\'an-Torrecilla, C. Cortijo, C. J. Walcher, C. Kehrig, D. Mast, E. Florido, I. Perez, J. Bland-Hawthorn, J. Iglesias-P\'aramo, J. Mendez-Abreu, J. V\'ilchez, L. Galbany, M. Moll\'a, N. Cardiel, P. Papaderos, P. S\'anchez-Blazquez, R. A. Marino, R. Garc\'ia-Benito, R. M. Gonz\'alez Delgado, S. Ellis, S. F. S\'anchez, S. Pascual, S. Zibetti, the CALIFA team, T. Ruiz-Lara, V. Kalinova

arxiv:1509.07878 v1 · 2015-09-25 · 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{OKXJXHY3Z6WILWD7BKPFWTZEDC}

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	2026-05-18T01:24:18.216532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72ae9b9f1bcfac85d87f0a9e5b4f2418913ad5f18cc85ee910a943d5d491dacc

Aliases

arxiv: 1509.07878 · arxiv_version: 1509.07878v1 · doi: 10.48550/arxiv.1509.07878 · pith_short_12: OKXJXHY3Z6WI · pith_short_16: OKXJXHY3Z6WILWD7 · pith_short_8: OKXJXHY3

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/OKXJXHY3Z6WILWD7BKPFWTZEDC \
  | 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: 72ae9b9f1bcfac85d87f0a9e5b4f2418913ad5f18cc85ee910a943d5d491dacc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56e3eb326e166c8cb37a33e61585374fcfee14a4a562ecf55df04f1afc2cb0e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-09-25T20:07:44Z",
    "title_canon_sha256": "1670728fbac532dd37a97d4470bd5314b356a21b628f28eed060030c506ddb41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07878",
    "kind": "arxiv",
    "version": 1
  }
}