Pith Number

pith:UO54ZGTX

pith:2026:UO54ZGTXFW347TANBA7BAJZUQF

not attested not anchored not stored refs pending

Recovering Complex Unitary Eigenspaces from Real-Valued Embeddings

N. Anders Petersson, Stefanie G\"unther

arxiv:2605.19041 v1 · 2026-05-18 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UO54ZGTXFW347TANBA7BAJZUQF}

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	2026-05-20T01:05:24.486705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3bbcc9a772db7cfcc0d083e1027348172517128dc6ef88a72acb6a8448d1f7d

Aliases

arxiv: 2605.19041 · arxiv_version: 2605.19041v1 · doi: 10.48550/arxiv.2605.19041 · pith_short_12: UO54ZGTXFW34 · pith_short_16: UO54ZGTXFW347TAN · pith_short_8: UO54ZGTX

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/UO54ZGTXFW347TANBA7BAJZUQF \
  | 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: a3bbcc9a772db7cfcc0d083e1027348172517128dc6ef88a72acb6a8448d1f7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "570f484be1507a2f25c8277f600c5a607af4e5f44cc8a9ede07d29d96bd6ca7c",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-05-18T19:04:53Z",
    "title_canon_sha256": "b3ee954f8a28969eb360bfe9fb954565c4bf4a63317722d70fa7ecd2cedd4d13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19041",
    "kind": "arxiv",
    "version": 1
  }
}