Pith Number

pith:WCLKQNS7

pith:2021:WCLKQNS7Z43QC3EPKJFK2MU4ZR

not attested not anchored not stored refs pending

Heavy elements in barium stars

A. I. Karakas, C. B. Pereira, C. Sneden, M. Lugaro, M. P. Roriz, N. A. Drake, S. Junqueira

arxiv:2108.08132 v1 · 2021-08-18 · 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{WCLKQNS7Z43QC3EPKJFK2MU4ZR}

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	2026-07-05T03:06:59.944383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b096a8365fcf37016c8f524aad329ccc68d151960f1a53be91b4a72d0b337627

Aliases

arxiv: 2108.08132 · arxiv_version: 2108.08132v1 · doi: 10.48550/arxiv.2108.08132 · pith_short_12: WCLKQNS7Z43Q · pith_short_16: WCLKQNS7Z43QC3EP · pith_short_8: WCLKQNS7

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/WCLKQNS7Z43QC3EPKJFK2MU4ZR \
  | 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: b096a8365fcf37016c8f524aad329ccc68d151960f1a53be91b4a72d0b337627

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e130f715e25d30e0fe5d584773547c9b805d12af38a07a4c9546dc823a5253e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-08-18T13:18:20Z",
    "title_canon_sha256": "7e4a132d38dc68c88dc1a773d007e4ede07a0d96138e27911eaee45e03b15204"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.08132",
    "kind": "arxiv",
    "version": 1
  }
}