Pith Number

pith:KYIPSDCW

pith:2016:KYIPSDCWRXSAH6Y2EH5FSBEC2H

not attested not anchored not stored refs pending

Carbon and oxygen abundance gradients in NGC300 and M33 from optical recombination lines

2), (2) Dep. Astrof\'isica ULL, (3) Institute for Astronomy, (4) IA-UNAM, C. Esteban (1, F. Bresolin (3), J. Garc\'ia-Rojas (1, L. Toribio San Cipriano (1, Mexico), M. Peimbert (4) ((1) IAC, Spain, USA

arxiv:1602.05587 v1 · 2016-02-17 · 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{KYIPSDCWRXSAH6Y2EH5FSBEC2H}

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	2026-05-18T01:18:37.296971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5610f90c568de403fb1a21fa590482d1d5718372b2291406cc494ab8bdcc0ae4

Aliases

arxiv: 1602.05587 · arxiv_version: 1602.05587v1 · doi: 10.48550/arxiv.1602.05587 · pith_short_12: KYIPSDCWRXSA · pith_short_16: KYIPSDCWRXSAH6Y2 · pith_short_8: KYIPSDCW

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/KYIPSDCWRXSAH6Y2EH5FSBEC2H \
  | 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: 5610f90c568de403fb1a21fa590482d1d5718372b2291406cc494ab8bdcc0ae4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e18942c0d71c0afc3091b0a24c7cbfc2435046877e69d194293c2257a79c6029",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-02-17T21:00:23Z",
    "title_canon_sha256": "9ac10a4a82f7fb5e8c7591586c48ecb7def589e6852902c48bbd317f31e76c22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.05587",
    "kind": "arxiv",
    "version": 1
  }
}