Pith Number

pith:2T224MYC

pith:2026:2T224MYCN73QDVSHFFTK3IAPB3

not attested not anchored not stored refs pending

Evidence for neutron capture in heavy-metal hot subdwarfs: Far-UV spectroscopy of EC22536-5304 and LSIV-14 116

C. S. Jeffery, D. J. Dougan, H. Dupuis, J. Deprince, L. J. A. Scott, M. Dorsch, P. Quinet, S. Beauraind, S. Geier, T. Battich, U. Heber

arxiv:2605.21772 v1 · 2026-05-20 · 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{2T224MYCN73QDVSHFFTK3IAPB3}

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	2026-05-22T01:03:31.264745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4f5ae33026ff701d6472966ada00f0ed150880a8d5200536f2ef901d7e7a622

Aliases

arxiv: 2605.21772 · arxiv_version: 2605.21772v1 · doi: 10.48550/arxiv.2605.21772 · pith_short_12: 2T224MYCN73Q · pith_short_16: 2T224MYCN73QDVSH · pith_short_8: 2T224MYC

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/2T224MYCN73QDVSHFFTK3IAPB3 \
  | 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: d4f5ae33026ff701d6472966ada00f0ed150880a8d5200536f2ef901d7e7a622

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3d7a95afe7b86c12862804e07c458aa95170b9567ec0373442ac026431b0aee",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-05-20T22:06:28Z",
    "title_canon_sha256": "faf9f1e08d29e391e546016f7fa6a5d8c30e5a2e1997a91fc9e23c70a9f16b07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21772",
    "kind": "arxiv",
    "version": 1
  }
}