Pith Number

pith:QHXJ2XVA

pith:2017:QHXJ2XVA6KR4UZ2MVSQL6PYJWK

not attested not anchored not stored refs pending

Constructing exact symmetric informationally complete measurements from numerical solutions

Marcus Appleby, Shayne Waldron, Steven Flammia, Tuan-Yow Chien

arxiv:1703.05981 v2 · 2017-03-17 · quant-ph · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QHXJ2XVA6KR4UZ2MVSQL6PYJWK}

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	2026-05-18T00:20:07.151923Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81ee9d5ea0f2a3ca674caca0bf3f09b2aab01c6986aa7ef83b882020f444c29c

Aliases

arxiv: 1703.05981 · arxiv_version: 1703.05981v2 · doi: 10.48550/arxiv.1703.05981 · pith_short_12: QHXJ2XVA6KR4 · pith_short_16: QHXJ2XVA6KR4UZ2M · pith_short_8: QHXJ2XVA

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/QHXJ2XVA6KR4UZ2MVSQL6PYJWK \
  | 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: 81ee9d5ea0f2a3ca674caca0bf3f09b2aab01c6986aa7ef83b882020f444c29c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36185080a5e30efbd244297e5d66292baa5c133628ac41f37100d12589d150b3",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-03-17T12:02:24Z",
    "title_canon_sha256": "11a3640476f6e17ee0066a774b142a095f4df46aba0b4734674cff43a154d8be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.05981",
    "kind": "arxiv",
    "version": 2
  }
}