Pith Number

pith:KIH2K42J

pith:2026:KIH2K42JJBWYPX6G26L56P6ASS

not attested not anchored not stored refs pending

Optimization Algorithm for Determining the Source Surface Radius Based on Parker Solar Probe in situ Measurements from Encounters 1 to 19

Fang Shen, Jiansen He, Shiouhe Wang, Xueshang Feng, Yi Yang

arxiv:2607.00459 v1 · 2026-07-01 · astro-ph.SR · math.OC · physics.space-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KIH2K42JJBWYPX6G26L56P6ASS}

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	2026-07-02T01:17:44.052173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

520fa57349486d87dfc6d797df3fc0948fc2ba3b17744a6d2de5c6f986c1e020

Aliases

arxiv: 2607.00459 · arxiv_version: 2607.00459v1 · doi: 10.48550/arxiv.2607.00459 · pith_short_12: KIH2K42JJBWY · pith_short_16: KIH2K42JJBWYPX6G · pith_short_8: KIH2K42J

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/KIH2K42JJBWYPX6G26L56P6ASS \
  | 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: 520fa57349486d87dfc6d797df3fc0948fc2ba3b17744a6d2de5c6f986c1e020

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5ee2c6fcf6cf2029f78c39764c2d2c2cf5116feb2c116c100d297284dc7a727",
    "cross_cats_sorted": [
      "math.OC",
      "physics.space-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-07-01T05:28:13Z",
    "title_canon_sha256": "2e85a0a9fdd276863c4518af8bfa2be30bfe779c654824a1d8e79bfcb97d3986"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.00459",
    "kind": "arxiv",
    "version": 1
  }
}