Pith Number

pith:POVSLYFB

pith:2026:POVSLYFBNTCQEUGSI4ESB3PITR

not attested not anchored not stored refs pending

Detectability of deuterium in spectra of early-type stars

Anna Aret, Colin P. Folsom, Mihkel Kama, Veronika Mitrokhina

arxiv:2606.17896 v1 · 2026-06-16 · 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{POVSLYFBNTCQEUGSI4ESB3PITR}

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	2026-06-19T16:10:42.922399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bab25e0a16cc50250d2470920ede89c4897f246af35da080bbae24054ef4eeb

Aliases

arxiv: 2606.17896 · arxiv_version: 2606.17896v1 · doi: 10.48550/arxiv.2606.17896 · pith_short_12: POVSLYFBNTCQ · pith_short_16: POVSLYFBNTCQEUGS · pith_short_8: POVSLYFB

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/POVSLYFBNTCQEUGSI4ESB3PITR \
  | 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: 7bab25e0a16cc50250d2470920ede89c4897f246af35da080bbae24054ef4eeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "caaf10aff483c1654ab616663f4495a66218e4bc9993ae3906ac7ea69066e48f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-06-16T13:16:59Z",
    "title_canon_sha256": "883cc1ce5d77cd0e0d61d42a796f1639da816df7267466a71e5832d17560d48a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.17896",
    "kind": "arxiv",
    "version": 1
  }
}