Pith Number

pith:SWYZYZ43

pith:2023:SWYZYZ43PJCQILDMDNSWZ3NS7L

not attested not anchored not stored refs pending

Towards a live homogeneous database of solar active regions based on SOHO/MDI and SDO/HMI synoptic magnetograms. I. Automatic detection and calibration

Jie Jiang, Ruihui Wang, Yukun Luo

arxiv:2308.06914 v1 · 2023-08-14 · 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{SWYZYZ43PJCQILDMDNSWZ3NS7L}

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	2026-07-05T08:17:27.998630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95b19c679b7a45042c6c1b656cedb2fae198583efd2cbabe501a61188a951eeb

Aliases

arxiv: 2308.06914 · arxiv_version: 2308.06914v1 · doi: 10.48550/arxiv.2308.06914 · pith_short_12: SWYZYZ43PJCQ · pith_short_16: SWYZYZ43PJCQILDM · pith_short_8: SWYZYZ43

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/SWYZYZ43PJCQILDMDNSWZ3NS7L \
  | 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: 95b19c679b7a45042c6c1b656cedb2fae198583efd2cbabe501a61188a951eeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b60a50ad37397372c94715ba1e1c20db1f5a6394893aeac311eaa9f522ff4a47",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-08-14T03:15:35Z",
    "title_canon_sha256": "cb48a7652e479f8f488f03e95db7864fc217a65c9e311eb9319a76f2fcf8c35f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.06914",
    "kind": "arxiv",
    "version": 1
  }
}