Pith Number

pith:F6VHN2YF

pith:2018:F6VHN2YFL2CRPI37CMDIUM232U

not attested not anchored not stored refs pending

Long-term variations in the X-ray activity of HR 1099

D.R.G. Schleicher, F.H. Navarrete, J.H.M.M. Schmitt, J. Robrade, J. Zamponi, M. V\"olschow, P.C. Schneider, R.E. Mennickent, V. Perdelwitz

arxiv:1806.03033 v1 · 2018-06-08 · astro-ph.SR · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F6VHN2YFL2CRPI37CMDIUM232U}

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	2026-05-18T00:05:57.189152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2faa76eb055e8517a37f13068a335bd53629bd3b75a04628a4021c4527fb6bb1

Aliases

arxiv: 1806.03033 · arxiv_version: 1806.03033v1 · doi: 10.48550/arxiv.1806.03033 · pith_short_12: F6VHN2YFL2CR · pith_short_16: F6VHN2YFL2CRPI37 · pith_short_8: F6VHN2YF

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/F6VHN2YFL2CRPI37CMDIUM232U \
  | 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: 2faa76eb055e8517a37f13068a335bd53629bd3b75a04628a4021c4527fb6bb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3637f2373e4f4eb6269a6802ae446e78223fcd9034e8ebaca8fdff53caf0be0b",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-06-08T09:13:00Z",
    "title_canon_sha256": "e079221ea237a179edbfc3bcc4d9532cbe08bd647ab575f84b94c659566ab074"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.03033",
    "kind": "arxiv",
    "version": 1
  }
}