Pith Number

pith:MSKGPSFF

pith:2011:MSKGPSFFYEP7UMRIXJXCXR5XPJ

not attested not anchored not stored refs pending

Spectrophotometric Variability of the Magnetic CP Star alpha2 CVn

N. A. Sokolov

arxiv:1104.1547 v2 · 2011-04-08 · 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{MSKGPSFFYEP7UMRIXJXCXR5XPJ}

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	2026-05-18T04:15:36.721925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

649467c8a5c11ffa3228ba6e2bc7b77a44d535b06e49753e5a359475b9bf8d74

Aliases

arxiv: 1104.1547 · arxiv_version: 1104.1547v2 · doi: 10.48550/arxiv.1104.1547 · pith_short_12: MSKGPSFFYEP7 · pith_short_16: MSKGPSFFYEP7UMRI · pith_short_8: MSKGPSFF

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/MSKGPSFFYEP7UMRIXJXCXR5XPJ \
  | 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: 649467c8a5c11ffa3228ba6e2bc7b77a44d535b06e49753e5a359475b9bf8d74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7b113234755665a4a2fe97a56a6aa53f8efd358c6499f28586dd2d8ada72208",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-04-08T11:22:29Z",
    "title_canon_sha256": "7e2a976554234438e0009f2ccb7215a7ea4591267653ba282628f33c37e76b42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1547",
    "kind": "arxiv",
    "version": 2
  }
}