Pith Number

pith:7NDWXRHI

pith:2018:7NDWXRHIVAQ4PVXAPXK5K4FDC7

not attested not anchored not stored refs pending

Strong Transverse Photosphere Magnetic Fields and Twist in Light Bridge Dividing Delta Sunspot of Active Region 12673

Chang Liu, Haimin Wang, Kwangsu Ahn, Shin Toriumi, Vasyl Yurchyshyn, Wenda Cao

arxiv:1801.02928 v1 · 2018-01-09 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-18T00:26:22.017854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb476bc4e8a821c7d6e07dd5d570a317c5cfb4141055e268fb71c2f24ff51ce5

Aliases

arxiv: 1801.02928 · arxiv_version: 1801.02928v1 · doi: 10.48550/arxiv.1801.02928 · pith_short_12: 7NDWXRHIVAQ4 · pith_short_16: 7NDWXRHIVAQ4PVXA · pith_short_8: 7NDWXRHI

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/7NDWXRHIVAQ4PVXAPXK5K4FDC7 \
  | 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: fb476bc4e8a821c7d6e07dd5d570a317c5cfb4141055e268fb71c2f24ff51ce5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c39227232686bc5ed0b9a25fe21cfd4728f16e40dbb01465a1d6fa9aa7f08cc7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-01-09T13:35:13Z",
    "title_canon_sha256": "346349209f797b51ba83447bf15e5a0e5796fe209b5ace815fa676d18b75565e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.02928",
    "kind": "arxiv",
    "version": 1
  }
}