Pith Number

pith:CQK7PIEM

pith:2026:CQK7PIEMP3R6TVNNUJQPA3ZYGX

not attested not anchored not stored refs pending

Studying hot evolved stars with ultraviolet spectroscopy

Helge Todt, Klaus Werner, Marcelo M. Miller Bertolami, Matti Dorsch, Nicole Reindl, Semih Filiz, Stephan Geier, Tiara Battich, Ulrich Heber, Vikrant Jadhav

arxiv:2606.11367 v1 · 2026-06-09 · astro-ph.IM · 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{CQK7PIEMP3R6TVNNUJQPA3ZYGX}

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	2026-06-11T00:08:21.951283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1415f7a08c7ee3e9d5ada260f06f3835fc7bf0f1705fb560fa1b83b123ef1c7c

Aliases

arxiv: 2606.11367 · arxiv_version: 2606.11367v1 · doi: 10.48550/arxiv.2606.11367 · pith_short_12: CQK7PIEMP3R6 · pith_short_16: CQK7PIEMP3R6TVNN · pith_short_8: CQK7PIEM

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/CQK7PIEMP3R6TVNNUJQPA3ZYGX \
  | 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: 1415f7a08c7ee3e9d5ada260f06f3835fc7bf0f1705fb560fa1b83b123ef1c7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bfe5a243a4db201461a4986d35b8296aa58fca04afdf38d5d8123e865b0804b",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-06-09T18:48:11Z",
    "title_canon_sha256": "1aee36a465a509de882bb23d51e58c333a5e6fb5428afb06c9bfc0b9ae2952c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.11367",
    "kind": "arxiv",
    "version": 1
  }
}