Pith Number

pith:OLNEJMKJ

pith:2018:OLNEJMKJ26KD3G4LDPSBVWAMZ2

not attested not anchored not stored refs pending

Collective Study of Polar Crown Filaments in the Past Four Solar Cycles

Haimin Wang, Hewei Zhang, Ju Jing, Nengyi Huang, Werner Potzi, Yan Xu

arxiv:1807.11844 v1 · 2018-07-31 · 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{OLNEJMKJ26KD3G4LDPSBVWAMZ2}

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	2026-05-18T00:08:37.462862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72da44b149d7943d9b8b1be41ad80cceac0af26a4ee0a75d14654fc6bbc475c5

Aliases

arxiv: 1807.11844 · arxiv_version: 1807.11844v1 · doi: 10.48550/arxiv.1807.11844 · pith_short_12: OLNEJMKJ26KD · pith_short_16: OLNEJMKJ26KD3G4L · pith_short_8: OLNEJMKJ

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/OLNEJMKJ26KD3G4LDPSBVWAMZ2 \
  | 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: 72da44b149d7943d9b8b1be41ad80cceac0af26a4ee0a75d14654fc6bbc475c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98398f19324ba5dddb252cb48dab656f3aba54ac1b3516ccb7100878304a9be9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-07-31T14:51:51Z",
    "title_canon_sha256": "9486e4246315166ffbffd981fc9cb28cfe8822badd6808542ef3c65062123c0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.11844",
    "kind": "arxiv",
    "version": 1
  }
}