Pith Number

pith:QPW35HE7

pith:2009:QPW35HE7FPNQDI6TAD7MJFIDRH

not attested not anchored not stored refs pending

Surface temperature maps for II Peg during 1999-2002

I. Ilyin, I. Tuominen, M. J. Korpi, M. Lindborg, N. Piskunov, T. Hackman

arxiv:0911.0198 v1 · 2009-11-01 · 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{QPW35HE7FPNQDI6TAD7MJFIDRH}

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	2026-05-18T02:11:00.885919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83edbe9c9f2bdb01a3d300fec4950389dc514e1b7ececed4156508edc974a705

Aliases

arxiv: 0911.0198 · arxiv_version: 0911.0198v1 · doi: 10.48550/arxiv.0911.0198 · pith_short_12: QPW35HE7FPNQ · pith_short_16: QPW35HE7FPNQDI6T · pith_short_8: QPW35HE7

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/QPW35HE7FPNQDI6TAD7MJFIDRH \
  | 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: 83edbe9c9f2bdb01a3d300fec4950389dc514e1b7ececed4156508edc974a705

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d963eefd8fd7519f352c581a92ec6714f9230113ae2aa517c3692cb5996da5a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-11-01T20:16:42Z",
    "title_canon_sha256": "e2b10d2d89e9e466a245e06ed9b33248d0ff2b7d96df068405404f8c4c87f621"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.0198",
    "kind": "arxiv",
    "version": 1
  }
}