Pith Number

pith:7N7UBYAW

pith:2017:7N7UBYAWTPGJ4RPPQJDAMIEHSK

not attested not anchored not stored refs pending

Quantum Information on Spectral Sets

Peter Harremo\"es

arxiv:1701.06688 v2 · 2017-01-24 · cs.IT · math.IT · 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{7N7UBYAWTPGJ4RPPQJDAMIEHSK}

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	2026-05-18T00:50:35.129339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb7f40e0169bcc9e45ef8246062087929e38b6fe2740be69acf06b7d8483d52a

Aliases

arxiv: 1701.06688 · arxiv_version: 1701.06688v2 · doi: 10.48550/arxiv.1701.06688 · pith_short_12: 7N7UBYAWTPGJ · pith_short_16: 7N7UBYAWTPGJ4RPP · pith_short_8: 7N7UBYAW

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/7N7UBYAWTPGJ4RPPQJDAMIEHSK \
  | 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: fb7f40e0169bcc9e45ef8246062087929e38b6fe2740be69acf06b7d8483d52a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a124b4320cd22cd538c228b12cc7657a41dedf6b65705a0d024f879c74d5f5de",
    "cross_cats_sorted": [
      "math.IT",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-01-24T00:03:11Z",
    "title_canon_sha256": "cd37dcebf825ea3bbcdbf32dd29059c14a355e4c41d579c33a4d7a0f8bf3d531"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06688",
    "kind": "arxiv",
    "version": 2
  }
}