Pith Number

pith:H2YPW5ZU

pith:2026:H2YPW5ZUJTOYDXXL3PF344XUZD

not attested not anchored not stored refs pending

The Sc, Ti, and V Abundance Discrepancy: Testing High-Mass IMF Variation and Massive-Star Rotation

Eda Gjergo, Soonchul Choi, Toshitaka Kajino, Youngman Kim

arxiv:2606.31218 v1 · 2026-06-30 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H2YPW5ZUJTOYDXXL3PF344XUZD}

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	2026-07-01T01:17:56.012997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3eb0fb77344cdd81deebdbcbbe72f4c8fb413947d9f50f07af3db30a3dd2ca33

Aliases

arxiv: 2606.31218 · arxiv_version: 2606.31218v1 · doi: 10.48550/arxiv.2606.31218 · pith_short_12: H2YPW5ZUJTOY · pith_short_16: H2YPW5ZUJTOYDXXL · pith_short_8: H2YPW5ZU

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/H2YPW5ZUJTOYDXXL3PF344XUZD \
  | 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: 3eb0fb77344cdd81deebdbcbbe72f4c8fb413947d9f50f07af3db30a3dd2ca33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "511310af08e5f007f1279b6f10b8c6316540b69e14d0e509410ee585f576ef16",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-06-30T06:55:29Z",
    "title_canon_sha256": "0d99d268acb98f29f39c677e0f14f0cc42da72e87bb11b192312d4066cb65ef5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31218",
    "kind": "arxiv",
    "version": 1
  }
}