Pith Number

pith:EEVHIFKC

pith:2009:EEVHIFKCQNWGMPDOA3IQ66DPGI

not attested not anchored not stored refs pending

A note on the torsional oscillation at solar minimum

F. Hill, J. Christensen-Dalsgaard, J. Schou, M. J. Thompson, R. Howe, R. Komm

arxiv:0907.2965 v1 · 2009-07-17 · 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{EEVHIFKCQNWGMPDOA3IQ66DPGI}

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	2026-05-18T01:32:19.408860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

212a741542836c663c6e06d10f786f32191794b7af773e5b8b8949e948f147d2

Aliases

arxiv: 0907.2965 · arxiv_version: 0907.2965v1 · doi: 10.48550/arxiv.0907.2965 · pith_short_12: EEVHIFKCQNWG · pith_short_16: EEVHIFKCQNWGMPDO · pith_short_8: EEVHIFKC

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/EEVHIFKCQNWGMPDOA3IQ66DPGI \
  | 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: 212a741542836c663c6e06d10f786f32191794b7af773e5b8b8949e948f147d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e844ebedfa85129827325b72d02bfdccd0904ff03898a8c834fe7b6ada8bfe71",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-07-17T02:01:19Z",
    "title_canon_sha256": "b692b8758dbd5b0352fb680ab78b6bcaac2171c50fff969bee59f8d6a4355d16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.2965",
    "kind": "arxiv",
    "version": 1
  }
}