Pith Number

pith:3DP4WQSY

pith:2009:3DP4WQSY6YSL7PQWDJRYKK3P4Y

not attested not anchored not stored refs pending

Analytical Solution of the O-X Mode Conversion Problem

F. Volpe

arxiv:0907.3981 v2 · 2009-07-23 · physics.plasm-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{3DP4WQSY6YSL7PQWDJRYKK3P4Y}

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	2026-05-18T02:12:54.450630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8dfcb4258f624bfbe161a63852b6fe637509d6be7564fb183ed452c070b2b20

Aliases

arxiv: 0907.3981 · arxiv_version: 0907.3981v2 · doi: 10.48550/arxiv.0907.3981 · pith_short_12: 3DP4WQSY6YSL · pith_short_16: 3DP4WQSY6YSL7PQW · pith_short_8: 3DP4WQSY

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/3DP4WQSY6YSL7PQWDJRYKK3P4Y \
  | 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: d8dfcb4258f624bfbe161a63852b6fe637509d6be7564fb183ed452c070b2b20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7058f0e48ca09d85f34615855dde43660436a2cd4e346e527a2e23b89cb0aef8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2009-07-23T04:38:33Z",
    "title_canon_sha256": "a2e7235e82c262ac9a6f9140528fb7bffcb1f280d90932fbffa7992a721a2d6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3981",
    "kind": "arxiv",
    "version": 2
  }
}