Pith Number

pith:H4B666IN

pith:2006:H4B666IN3RIKREBJJOGUMDBBAU

not attested not anchored not stored refs pending

Scattering matrices and Weyl functions

Hagen Neidhardt, Jussi Behrndt, Mark M. Malamud

arxiv:math-ph/0604013 v1 · 2006-04-06 · math-ph · math.MP · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H4B666IN3RIKREBJJOGUMDBBAU}

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	2026-05-18T02:57:51.174605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f03ef790ddc50a890294b8d460c21053b7590fd58c58a36d2443e24b024205e

Aliases

arxiv: math-ph/0604013 · arxiv_version: math-ph/0604013v1 · doi: 10.48550/arxiv.math-ph/0604013 · pith_short_12: H4B666IN3RIK · pith_short_16: H4B666IN3RIKREBJ · pith_short_8: H4B666IN

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/H4B666IN3RIKREBJJOGUMDBBAU \
  | 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: 3f03ef790ddc50a890294b8d460c21053b7590fd58c58a36d2443e24b024205e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e57fada32824407aad0547e60d6b9a75ad320924cf594eba71d9200a572cabc1",
    "cross_cats_sorted": [
      "math.MP",
      "math.SP"
    ],
    "license": "",
    "primary_cat": "math-ph",
    "submitted_at": "2006-04-06T15:32:09Z",
    "title_canon_sha256": "2a24bbffc235c9b43f124c7a638a64099961c88736b0e5e0543c2fe164bd2db5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math-ph/0604013",
    "kind": "arxiv",
    "version": 1
  }
}