Pith Number

pith:DXHGYNXX

pith:2009:DXHGYNXX6EBHHHZZNJE3VVZJVC

not attested not anchored not stored refs pending

Rational Orthogonal versus Real Orthogonal

Dragomir Z. Djokovic, Ferenc Szollosi, Simone Severini

arxiv:0903.2853 v1 · 2009-03-16 · math.CO · quant-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{DXHGYNXX6EBHHHZZNJE3VVZJVC}

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	2026-05-18T04:05:46.199409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1dce6c36f7f102739f396a49bad729a880ea727245a49326842c2a170dd66018

Aliases

arxiv: 0903.2853 · arxiv_version: 0903.2853v1 · doi: 10.48550/arxiv.0903.2853 · pith_short_12: DXHGYNXX6EBH · pith_short_16: DXHGYNXX6EBHHHZZ · pith_short_8: DXHGYNXX

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/DXHGYNXX6EBHHHZZNJE3VVZJVC \
  | 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: 1dce6c36f7f102739f396a49bad729a880ea727245a49326842c2a170dd66018

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2fbe36717d79f16388829aff8671ba65def23b4ae71cc864511e3a547a03463",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2009-03-16T20:58:48Z",
    "title_canon_sha256": "fc23e09ad6b27680e9ada0ce5184ff50c24e3855f799cc7b9d9b350c80e4498d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.2853",
    "kind": "arxiv",
    "version": 1
  }
}