Pith Number

pith:ZH52ETVK

pith:2019:ZH52ETVK3UGTSXXQ43TGT3HK2R

not attested not anchored not stored refs pending

Degree of electric current neutralization and the activity in solar Active Regions

P. Vemareddy

arxiv:1904.02648 v1 · 2019-04-04 · 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{ZH52ETVK3UGTSXXQ43TGT3HK2R}

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	2026-05-17T23:47:16.498954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9fba24eaadd0d395ef0e6e669ecead464f6a717071456ab95a2782e8f635cd8

Aliases

arxiv: 1904.02648 · arxiv_version: 1904.02648v1 · doi: 10.48550/arxiv.1904.02648 · pith_short_12: ZH52ETVK3UGT · pith_short_16: ZH52ETVK3UGTSXXQ · pith_short_8: ZH52ETVK

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/ZH52ETVK3UGTSXXQ43TGT3HK2R \
  | 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: c9fba24eaadd0d395ef0e6e669ecead464f6a717071456ab95a2782e8f635cd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e4a6cf355ed992ef22881b74a47ff43d8601abd104caf6b61c26ebdb2ec48e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-04-04T16:40:20Z",
    "title_canon_sha256": "8acf66a7b2610971940829aa0dd8328ac98b1485e60a4eadb3e53c341c70174d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02648",
    "kind": "arxiv",
    "version": 1
  }
}