Pith Number

pith:LCQ5T5MZ

pith:2013:LCQ5T5MZH43QPW2JAQ32I5KXZI

not attested not anchored not stored refs pending

Preprocess the Photospheric Vector Magnetograms for NLFFF Extrapolation using a Potential Field Model and an Optimization Method

Chaowei Jiang, Xueshang Feng

arxiv:1306.1621 v1 · 2013-06-07 · 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{LCQ5T5MZH43QPW2JAQ32I5KXZI}

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	2026-05-18T01:49:31.745619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58a1d9f5993f3707db490437a47557ca3ab4b5a8576f11fc13160e365248fa03

Aliases

arxiv: 1306.1621 · arxiv_version: 1306.1621v1 · doi: 10.48550/arxiv.1306.1621 · pith_short_12: LCQ5T5MZH43Q · pith_short_16: LCQ5T5MZH43QPW2J · pith_short_8: LCQ5T5MZ

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/LCQ5T5MZH43QPW2JAQ32I5KXZI \
  | 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: 58a1d9f5993f3707db490437a47557ca3ab4b5a8576f11fc13160e365248fa03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "286c5e1415fecf4ecd50a3caa17ccd424620f0a01ecca329f48c38e423a8c09c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-06-07T05:40:24Z",
    "title_canon_sha256": "cdecc33419437ea3cb04409a820f5b3e6970501ce99beee498aaf8900ca851b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1621",
    "kind": "arxiv",
    "version": 1
  }
}