Pith Number

pith:LWPJXGN2

pith:2011:LWPJXGN24KQYY6U4VPM3PPJPGL

not attested not anchored not stored refs pending

An overabundance of oxygen in planetary nebulae of the solar neighborhood

Gloria Delgado-Inglada, M\'onica Rodr\'iguez

arxiv:1103.3037 v1 · 2011-03-15 · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LWPJXGN24KQYY6U4VPM3PPJPGL}

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	2026-05-18T04:26:44.967621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d9e9b99bae2a18c7a9cabd9b7bd2f32c7965671ad66c90e7106e451c4225db1

Aliases

arxiv: 1103.3037 · arxiv_version: 1103.3037v1 · doi: 10.48550/arxiv.1103.3037 · pith_short_12: LWPJXGN24KQY · pith_short_16: LWPJXGN24KQYY6U4 · pith_short_8: LWPJXGN2

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/LWPJXGN24KQYY6U4VPM3PPJPGL \
  | 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: 5d9e9b99bae2a18c7a9cabd9b7bd2f32c7965671ad66c90e7106e451c4225db1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc723c24bf383dca156e614e14b6d60909e01e929a5a56a01fcb543c6dd7c1df",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-03-15T20:53:56Z",
    "title_canon_sha256": "485b74debb8da1e66ee6a19a1e06d1f27e896966053349a6bee23b854cced154"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3037",
    "kind": "arxiv",
    "version": 1
  }
}