Pith Number

pith:4VX4UKPL

pith:2026:4VX4UKPLLTI2OXRSV5URXPWMOC

not attested not anchored not stored refs pending

The XMM-Newton Line Emission Analysis Program (X-LEAP) III: Earth's Magnetospheric X-ray Emission Revealed by 22-Year XMM-Newton Observations

Jifeng Liu, Joel N. Bregman, Li Ji, Tianran Sun, Yingjie Zhang, Yuqi Gong, Zeyang Pan, Zhijie Qu

arxiv:2607.18743 v1 · 2026-07-21 · astro-ph.HE · 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{4VX4UKPLLTI2OXRSV5URXPWMOC}

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	2026-07-22T01:23:09.519409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e56fca29eb5cd1a75e32af691bbecc70997bd3e806b78eeebf0d4c9f3d128021

Aliases

arxiv: 2607.18743 · arxiv_version: 2607.18743v1 · doi: 10.48550/arxiv.2607.18743 · pith_short_12: 4VX4UKPLLTI2 · pith_short_16: 4VX4UKPLLTI2OXRS · pith_short_8: 4VX4UKPL

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/4VX4UKPLLTI2OXRSV5URXPWMOC \
  | 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: e56fca29eb5cd1a75e32af691bbecc70997bd3e806b78eeebf0d4c9f3d128021

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6788009f6b71404ac47ca53977ac9202076ee58b7e5bab06fb4027d6fbabc721",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-07-21T06:06:27Z",
    "title_canon_sha256": "f8a2b0fa9e8bd59b213fe6d3b06167dd62302fd2455ee60c0eefc563e669e7c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.18743",
    "kind": "arxiv",
    "version": 1
  }
}