Pith Number

pith:SBFBID5H

pith:2020:SBFBID5HPOKQSQUOSJDR3AD6UZ

not attested not anchored not stored refs pending

Sunspot penumbral filaments intruding into a light bridge and the resultant reconnection jets

J. Zhang, S. H. Yang, S. H. Zhong, T. Li, X. H. Li, Y. J. Hou, Y. L. Guo, Y. Y. Xiang

arxiv:2008.01284 v1 · 2020-08-04 · 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{SBFBID5HPOKQSQUOSJDR3AD6UZ}

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	2026-07-05T01:40:37.370599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

904a140fa77b9509428e92471d807ea672f18cf7c467d847d06dbb8231715733

Aliases

arxiv: 2008.01284 · arxiv_version: 2008.01284v1 · doi: 10.48550/arxiv.2008.01284 · pith_short_12: SBFBID5HPOKQ · pith_short_16: SBFBID5HPOKQSQUO · pith_short_8: SBFBID5H

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/SBFBID5HPOKQSQUOSJDR3AD6UZ \
  | 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: 904a140fa77b9509428e92471d807ea672f18cf7c467d847d06dbb8231715733

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2a08bd96355cc7a4587e2c89ae5f7414b0b2bb5e2677760251cfea7dbc7bd67",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-08-04T02:31:46Z",
    "title_canon_sha256": "c9fdca9a918b3685bfe059d579a9d580faae7f5b5a6a7da3e671c5cdcab4110f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.01284",
    "kind": "arxiv",
    "version": 1
  }
}