Pith Number

pith:6ZNENMAP

pith:2016:6ZNENMAPHK5J7IVVBSLVVDIAOR

not attested not anchored not stored refs pending

Tilt Angle and Footpoint Separation of Small and Large Bipolar Sunspot Regions Observed with HMI

Aimee A. Norton, Bruce H. McClintock

arxiv:1602.04154 v1 · 2016-02-12 · 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{6ZNENMAPHK5J7IVVBSLVVDIAOR}

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	2026-05-18T01:20:54.416061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f65a46b00f3aba9fa2b50c975a8d00747da73a0cb0b67fd15d8975758304a2ef

Aliases

arxiv: 1602.04154 · arxiv_version: 1602.04154v1 · doi: 10.48550/arxiv.1602.04154 · pith_short_12: 6ZNENMAPHK5J · pith_short_16: 6ZNENMAPHK5J7IVV · pith_short_8: 6ZNENMAP

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/6ZNENMAPHK5J7IVVBSLVVDIAOR \
  | 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: f65a46b00f3aba9fa2b50c975a8d00747da73a0cb0b67fd15d8975758304a2ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "891584f4154a74ba32244d88f4382347151fc14f8d56a428456df6f3fea680a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-02-12T18:47:36Z",
    "title_canon_sha256": "7aa7074cf66e415d83c1bdfbf9c65313fa3dc3d0407e9775a7e2585e90378b68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.04154",
    "kind": "arxiv",
    "version": 1
  }
}