Pith Number

pith:YWXSOUIJ

pith:2026:YWXSOUIJ5DUXUEUB2P5I5BYEZN

not attested not anchored not stored refs pending

New NanoSIMS Multielement Isotope Data Reveal CO Novae As Key Sources Of 13C-rich Presolar Silicon Carbide Grains

Conel M. O'D. Alexander, Jianhua Wang, Jordi Jos\'e, Nan Liu

arxiv:2605.19903 v1 · 2026-05-19 · astro-ph.SR · astro-ph.GA · physics.geo-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{YWXSOUIJ5DUXUEUB2P5I5BYEZN}

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	2026-05-20T01:06:20.206227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5af275109e8e97a1281d3fa8e8704cb5b964976ac36224f9321f471eda5e546

Aliases

arxiv: 2605.19903 · arxiv_version: 2605.19903v1 · doi: 10.48550/arxiv.2605.19903 · pith_short_12: YWXSOUIJ5DUX · pith_short_16: YWXSOUIJ5DUXUEUB · pith_short_8: YWXSOUIJ

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/YWXSOUIJ5DUXUEUB2P5I5BYEZN \
  | 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: c5af275109e8e97a1281d3fa8e8704cb5b964976ac36224f9321f471eda5e546

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d80e1f58a81c85c546945b938d5a20acbc1bf49efc353d18831163a63b7d659",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "physics.geo-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-05-19T14:33:23Z",
    "title_canon_sha256": "a2de9a78249bdf8b9efe47f4e79afd8963d124cf5d9bc956666eba3c6f5b3406"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19903",
    "kind": "arxiv",
    "version": 1
  }
}