Pith Number

pith:LRTXNEXS

pith:2000:LRTXNEXSDV3JB7BORCTXM4LB5Z

not attested not anchored not stored refs pending

Central Elemental Abundance Ratios in the Perseus Cluster: Resonant Scattering or SN Ia Enrichment?

Keith A. Arnaud, Renato A. Dupke

arxiv:astro-ph/0010054 v1 · 2000-10-02 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LRTXNEXSDV3JB7BORCTXM4LB5Z}

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	2026-07-04T16:17:14.078291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c677692f21d7690fc2e88a7767161ee42f8d70c8518cb25634f967f1f433f9d

Aliases

arxiv: astro-ph/0010054 · arxiv_version: astro-ph/0010054v1 · doi: 10.48550/arxiv.astro-ph/0010054 · pith_short_12: LRTXNEXSDV3J · pith_short_16: LRTXNEXSDV3JB7BO · pith_short_8: LRTXNEXS

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/LRTXNEXSDV3JB7BORCTXM4LB5Z \
  | 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: 5c677692f21d7690fc2e88a7767161ee42f8d70c8518cb25634f967f1f433f9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2de9c6cadabf174b732135afcebfe03d9df1f4a1cc21d30d76ac4f0382bd06bc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-10-02T23:03:56Z",
    "title_canon_sha256": "368e0503741d5e80edb6d2323d07e903c23e698321f841deeba93ab34c711258"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0010054",
    "kind": "arxiv",
    "version": 1
  }
}