Pith Number

pith:IAAVRQYI

pith:2014:IAAVRQYIAA7CDJGZZ5SP66BE2X

not attested not anchored not stored refs pending

Comparison of Debrecen and Mount Wilson/Kodaikanal sunspot group tilt angles and the Joy's law

T. Baranyi

arxiv:1412.1355 v1 · 2014-12-03 · 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{IAAVRQYIAA7CDJGZZ5SP66BE2X}

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	2026-05-18T01:02:14.064981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

400158c308003e21a4d9cf64ff7824d5c9d239c793d05b0e24eb7227c760b159

Aliases

arxiv: 1412.1355 · arxiv_version: 1412.1355v1 · doi: 10.48550/arxiv.1412.1355 · pith_short_12: IAAVRQYIAA7C · pith_short_16: IAAVRQYIAA7CDJGZ · pith_short_8: IAAVRQYI

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/IAAVRQYIAA7CDJGZZ5SP66BE2X \
  | 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: 400158c308003e21a4d9cf64ff7824d5c9d239c793d05b0e24eb7227c760b159

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "163983d98d358502329cc04b03098cbc91e594c1e7ef29e68ad33d85e22f4a47",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-12-03T15:08:25Z",
    "title_canon_sha256": "1aa6539bf5930fc6c185432509a9c78f62b1976324bd1aebc2f941718ac71d84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.1355",
    "kind": "arxiv",
    "version": 1
  }
}