Pith Number

pith:SWAXLDIU

pith:2015:SWAXLDIUS3D2NMZK5FRCFYYGVX

not attested not anchored not stored refs pending

Each normalized state is a member of an orthonormal basis: A simple proof

Ehsan Anjidani, Iman Sargolzahi

arxiv:1505.06054 v2 · 2015-05-22 · 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{SWAXLDIUS3D2NMZK5FRCFYYGVX}

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	2026-05-18T00:39:13.889144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9581758d1496c7a6b32ae96222e306adf19df69cdf244bc16e4c740471fc8529

Aliases

arxiv: 1505.06054 · arxiv_version: 1505.06054v2 · doi: 10.48550/arxiv.1505.06054 · pith_short_12: SWAXLDIUS3D2 · pith_short_16: SWAXLDIUS3D2NMZK · pith_short_8: SWAXLDIU

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/SWAXLDIUS3D2NMZK5FRCFYYGVX \
  | 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: 9581758d1496c7a6b32ae96222e306adf19df69cdf244bc16e4c740471fc8529

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec3c3f29907513a80cc0e9efde19900344d51d419fb40f4ed43eaa34f6cbebe2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-05-22T12:56:39Z",
    "title_canon_sha256": "9250baf3ff59a09986bae6fcff0cba773dec211f9a5192dfd78d4913429a096f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.06054",
    "kind": "arxiv",
    "version": 2
  }
}