Pith Number

pith:HQ4TPFAX

pith:2026:HQ4TPFAX63QEA3Q5GR5Z7VWXQM

not attested not anchored not stored refs pending

Building a Roadmap for Hubble science into the 2030s: Crucial UV spectroscopy of Oe stars in nearby galaxies

A.A.C. Sander, A. Wofford, D. Pauli, J. S. Vink, L.J. Smith, L. M. Oskinova, L.P. Martins, M. Gull, M.S. Oey, O. Arangur\'e, O.G. Telford, P.A. Crowther, S. Sim\'on-D\'iaz, S. Zharikov, Tomer Shenar

arxiv:2606.05417 v1 · 2026-06-03 · astro-ph.IM · astro-ph.GA · 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{HQ4TPFAX63QEA3Q5GR5Z7VWXQM}

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	2026-06-05T00:13:57.115874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c39379417f6e0406e1d347b9fd6d78337902f2ee46fb4a4392f2c1d5e25331b

Aliases

arxiv: 2606.05417 · arxiv_version: 2606.05417v1 · doi: 10.48550/arxiv.2606.05417 · pith_short_12: HQ4TPFAX63QE · pith_short_16: HQ4TPFAX63QEA3Q5 · pith_short_8: HQ4TPFAX

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/HQ4TPFAX63QEA3Q5GR5Z7VWXQM \
  | 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: 3c39379417f6e0406e1d347b9fd6d78337902f2ee46fb4a4392f2c1d5e25331b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee2b030a461c8dfa239ca6442fb418e427d4af9151ce362253e1cd73e6961b8a",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-06-03T20:31:06Z",
    "title_canon_sha256": "a3508cb6a233d8c5b7b181da9b5879faede228c19b9e8068fba81cdcf905c1da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.05417",
    "kind": "arxiv",
    "version": 1
  }
}