Pith Number

pith:VJ7JXRYW

pith:2025:VJ7JXRYWYH4MDNESXGQV3JI2FK

not attested not anchored not stored refs pending

Rapidly varying ionization features in a Quasi-periodic Eruption: a homologous expansion model for the spectroscopic evolution

Claudio Ricci, Ehud Behar, Erin Kara, Erwan Quintin, Giovanni Miniutti, Joheen Chakraborty, Lorena Hern\'andez-Garc\'ia, Margherita Giustini, Megan Masterson, Paula S\'anchez-S\'aez, Peter Kosec, Riccardo Arcodia

arxiv:2504.07167 v1 · 2025-04-09 · astro-ph.HE · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VJ7JXRYWYH4MDNESXGQV3JI2FK}

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.

Cited by

1 paper in Pith

Even a precessing clock is right twice per orbit -- The super-periods of eRO-QPE2 and challenges for quasi-periodic eruption orbital models

Receipt and verification

First computed	2026-07-05T10:47:04.586152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa7e9bc716c1f8c1b492b9a15da51a2ab54d65b29697cc4609f0d409f8928040

Aliases

arxiv: 2504.07167 · arxiv_version: 2504.07167v1 · doi: 10.48550/arxiv.2504.07167 · pith_short_12: VJ7JXRYWYH4M · pith_short_16: VJ7JXRYWYH4MDNES · pith_short_8: VJ7JXRYW

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/VJ7JXRYWYH4MDNESXGQV3JI2FK \
  | 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: aa7e9bc716c1f8c1b492b9a15da51a2ab54d65b29697cc4609f0d409f8928040

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80453bad80f84633674c9ebd2443d6c9a27140cabbe5dc6c77f88fe77fc947b8",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-04-09T18:00:00Z",
    "title_canon_sha256": "54ffce5404d3a00f14aed90787d1f7e0a6865c4b406a4c9181bac52286edcbdb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.07167",
    "kind": "arxiv",
    "version": 1
  }
}