Pith Number

pith:LVLH5LUH

pith:2010:LVLH5LUHSIQD3YHIDFF4I4WCRY

not attested not anchored not stored refs pending

Discovery of Iron in PG1159 Stars

J. W. Kruk, K. Werner, T. Rauch

arxiv:1012.5228 v1 · 2010-12-23 · 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{LVLH5LUHSIQD3YHIDFF4I4WCRY}

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	2026-05-18T02:04:18.063925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d567eae8792203de0e8194bc472c28e354ab4fe743e92454946e60bbb822691

Aliases

arxiv: 1012.5228 · arxiv_version: 1012.5228v1 · doi: 10.48550/arxiv.1012.5228 · pith_short_12: LVLH5LUHSIQD · pith_short_16: LVLH5LUHSIQD3YHI · pith_short_8: LVLH5LUH

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/LVLH5LUHSIQD3YHIDFF4I4WCRY \
  | 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: 5d567eae8792203de0e8194bc472c28e354ab4fe743e92454946e60bbb822691

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1137810d030efa2edf980bae65c7c0422c47766affbf963ff9f196d102c5d24",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-12-23T15:13:44Z",
    "title_canon_sha256": "cd682732ad723a8182bd7a6726b690d0104f3b5dd8a2d3dc37da3b9095233fb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.5228",
    "kind": "arxiv",
    "version": 1
  }
}