Pith Number

pith:PQP6SP73

pith:2011:PQP6SP73Z6QQVHBLMSLGXJSXBL

not attested not anchored not stored refs pending

First detection of linear polarization in the line profiles of active cool stars

C.M. Johns-Krull, C.U. Keller, F. Snik, J.A. Valenti, M. Rodenhuis, N. Piskunov, O. Kochukhov, S.V. Jeffers, V. Makaganiuk

arxiv:1103.6028 v1 · 2011-03-30 · 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{PQP6SP73Z6QQVHBLMSLGXJSXBL}

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	2026-05-18T02:02:42.551979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c1fe93ffbcfa10a9c2b64966ba6570afe96b08bf4f34d71efce5a9dd8b034c2

Aliases

arxiv: 1103.6028 · arxiv_version: 1103.6028v1 · doi: 10.48550/arxiv.1103.6028 · pith_short_12: PQP6SP73Z6QQ · pith_short_16: PQP6SP73Z6QQVHBL · pith_short_8: PQP6SP73

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/PQP6SP73Z6QQVHBLMSLGXJSXBL \
  | 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: 7c1fe93ffbcfa10a9c2b64966ba6570afe96b08bf4f34d71efce5a9dd8b034c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79c2c91227f89528d99b81458fc44ed2c8cd9f4245661a41ab7e10b742de5490",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-03-30T20:00:00Z",
    "title_canon_sha256": "508bc8769de58f3ff0b912d894b14311fa77acdf6d8a395d002ac303b601526e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.6028",
    "kind": "arxiv",
    "version": 1
  }
}