Pith Number

pith:XZCNGGSL

pith:2020:XZCNGGSLCTYXGQB2AUDFR4EVX7

not attested not anchored not stored refs pending

Discovery of technetium- and niobium-rich S stars: the case for bitrinsic stars

A. Escorza, A. Jorissen, H. Van Winckel, L. Siess, S. Goriely, S. Shetye, S. Van Eck

arxiv:2002.08189 v1 · 2020-02-19 · 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{XZCNGGSLCTYXGQB2AUDFR4EVX7}

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.

Cited by

1 paper in Pith

Tracing the s-Process: Spectroscopic Insights into Chemical Abundances in O- and C-rich Evolved Stars

Receipt and verification

First computed	2026-07-05T00:45:23.766630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be44d31a4b14f173403a050658f095bfd85ae12d3cf73469104716762b0c4372

Aliases

arxiv: 2002.08189 · arxiv_version: 2002.08189v1 · doi: 10.48550/arxiv.2002.08189 · pith_short_12: XZCNGGSLCTYX · pith_short_16: XZCNGGSLCTYXGQB2 · pith_short_8: XZCNGGSL

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/XZCNGGSLCTYXGQB2AUDFR4EVX7 \
  | 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: be44d31a4b14f173403a050658f095bfd85ae12d3cf73469104716762b0c4372

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "532ea310d52cd994c25e71f12a2a00214cf71854a51407f205d63201ed0318cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-02-19T13:50:43Z",
    "title_canon_sha256": "86c3bc66b5dc17724af8bd7193aed5e2f386d1bb069f7476a9bc1fb08a64d397"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.08189",
    "kind": "arxiv",
    "version": 1
  }
}