Pith Number

pith:KGPHCI6N

pith:2010:KGPHCI6N2CXSCE24VKZYC7VANC

not attested not anchored not stored refs pending

Galaxy downsizing and the redshift evolution of oxygen and nitrogen abundances: origin of the scatter in the N/H-O/H diagram

Leonid S. Pilyugin, Trinh X. Thuan

arxiv:1012.1148 v1 · 2010-12-06 · 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{KGPHCI6N2CXSCE24VKZYC7VANC}

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	2026-05-18T02:04:32.633964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

519e7123cdd0af21135caab3817ea068aa6789dcf0121ae54278bd1786ca53d2

Aliases

arxiv: 1012.1148 · arxiv_version: 1012.1148v1 · doi: 10.48550/arxiv.1012.1148 · pith_short_12: KGPHCI6N2CXS · pith_short_16: KGPHCI6N2CXSCE24 · pith_short_8: KGPHCI6N

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/KGPHCI6N2CXSCE24VKZYC7VANC \
  | 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: 519e7123cdd0af21135caab3817ea068aa6789dcf0121ae54278bd1786ca53d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ae343f8237f6529b7087bd9df7309ac93a689d4492f49ffdbb4acd5ab42a7eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-12-06T12:28:38Z",
    "title_canon_sha256": "7b857817fd3dd71a034b8cae6869c9b9dce55b8b162eb61d65e75db19de48d45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.1148",
    "kind": "arxiv",
    "version": 1
  }
}