Pith Number

pith:IB2SA5YF

pith:2008:IB2SA5YFG3YGV4WS3CSC4SQRBI

not attested not anchored not stored refs pending

Transmission code optimization method for incoherent scatter radar

Ilkka I. Virtanen, Juha Vierinen, Markku S. Lehtinen, Mikko Orispaa

arxiv:0801.1343 v1 · 2008-01-09 · physics.data-an · 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{IB2SA5YFG3YGV4WS3CSC4SQRBI}

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	2026-05-18T02:16:02.134515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

407520770536f06af2d2d8a42e4a110a12702703e1d996813f20f566205d7f80

Aliases

arxiv: 0801.1343 · arxiv_version: 0801.1343v1 · doi: 10.48550/arxiv.0801.1343 · pith_short_12: IB2SA5YFG3YG · pith_short_16: IB2SA5YFG3YGV4WS · pith_short_8: IB2SA5YF

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/IB2SA5YFG3YGV4WS3CSC4SQRBI \
  | 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: 407520770536f06af2d2d8a42e4a110a12702703e1d996813f20f566205d7f80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfb5d3792efa12cee9da7a74fb3155d40dee43a00248644f6c96c5d45f5bf608",
    "cross_cats_sorted": [
      "physics.space-ph"
    ],
    "license": "",
    "primary_cat": "physics.data-an",
    "submitted_at": "2008-01-09T01:18:58Z",
    "title_canon_sha256": "c2042a92fc339b3587edc8dac8ff79efad5c96f3ae7c9c4ce58bb58af90d63fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.1343",
    "kind": "arxiv",
    "version": 1
  }
}