Pith Number

pith:2SJZBY42

pith:2018:2SJZBY42RGBTVD55RETEGC27PV

not attested not anchored not stored refs pending

Automated Detection Methods for Solar Activities and an Application for Statistic Analysis of Solar Filament

C. Fang, P. F. Chen, Q. Hao

arxiv:1804.03320 v1 · 2018-04-10 · 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{2SJZBY42RGBTVD55RETEGC27PV}

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	2026-05-17T23:55:14.821216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d49390e39a89833a8fbd8926430b5f7d69ad2cc0ff9762e69bd6575c55481674

Aliases

arxiv: 1804.03320 · arxiv_version: 1804.03320v1 · doi: 10.48550/arxiv.1804.03320 · pith_short_12: 2SJZBY42RGBT · pith_short_16: 2SJZBY42RGBTVD55 · pith_short_8: 2SJZBY42

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/2SJZBY42RGBTVD55RETEGC27PV \
  | 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: d49390e39a89833a8fbd8926430b5f7d69ad2cc0ff9762e69bd6575c55481674

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5099e6b1655e91a755bde540643d0a043a650887df439969e11902df40ada24a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-04-10T03:00:36Z",
    "title_canon_sha256": "55214a809b201c2589164f3bd836c14c7c8a44def9f28c74b0f19df98edee877"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.03320",
    "kind": "arxiv",
    "version": 1
  }
}