Pith Number

pith:75BTGFHM

pith:1999:75BTGFHMTVCB52ZT6TDTJFWNIE

not attested not anchored not stored refs pending

The MHD Kelvin-Helmholtz Instability III: The Role of Sheared Magnetic Field in Planar Flows

(2) University of Minnesota, (3) University of Rochester), Adam Frank (3) ((1) Chungnam National University, Dongsu Ryu (1), Hyunju Jeong (1), Korea, T. W. Jones (2)

arxiv:astro-ph/9909033 v1 · 1999-09-02 · astro-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{75BTGFHMTVCB52ZT6TDTJFWNIE}

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	2026-05-18T01:07:36.096985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff433314ec9d441eeb33f4c73496cd41386fcb09d5d4a590827265e1ef4eb2ff

Aliases

arxiv: astro-ph/9909033 · arxiv_version: astro-ph/9909033v1 · doi: 10.48550/arxiv.astro-ph/9909033 · pith_short_12: 75BTGFHMTVCB · pith_short_16: 75BTGFHMTVCB52ZT · pith_short_8: 75BTGFHM

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/75BTGFHMTVCB52ZT6TDTJFWNIE \
  | 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: ff433314ec9d441eeb33f4c73496cd41386fcb09d5d4a590827265e1ef4eb2ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc04bf8421b37f575aa39e1c4487d3b5cccb56d0364a928b9e3f03623a6ad57f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-09-02T00:54:33Z",
    "title_canon_sha256": "62c560cf83161051b8b2d5fdb2b80b1fe7b685f3b331007a70304ca9306a7aea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9909033",
    "kind": "arxiv",
    "version": 1
  }
}