Pith Number

pith:U4R65JTK

pith:2026:U4R65JTKVMTGMP5CS4T2H6VE6Z

not attested not anchored not stored refs pending

Native-Opacity Sensitivity of a Fixed Delta Cephei MESA-RSP Pulsation Model

Christopher Sirola, Wafa Gull, Zuhoor Elahi

arxiv:2607.02439 v1 · 2026-07-02 · 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{U4R65JTKVMTGMP5CS4T2H6VE6Z}

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	2026-07-03T01:17:59.256644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a723eea66aab26663fa29727a3faa4f673a38c129c7dfedb3d73b6548d6ab09c

Aliases

arxiv: 2607.02439 · arxiv_version: 2607.02439v1 · doi: 10.48550/arxiv.2607.02439 · pith_short_12: U4R65JTKVMTG · pith_short_16: U4R65JTKVMTGMP5C · pith_short_8: U4R65JTK

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/U4R65JTKVMTGMP5CS4T2H6VE6Z \
  | 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: a723eea66aab26663fa29727a3faa4f673a38c129c7dfedb3d73b6548d6ab09c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cac8e3d0c7912ac806f30bde07fc939791fdfd0d12925afac238045ee410908",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-07-02T17:09:49Z",
    "title_canon_sha256": "4426d49e7fb82a17bea65f88df956ab5afa5f09df710b70ade2f0d8096b45f1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.02439",
    "kind": "arxiv",
    "version": 1
  }
}