Pith Number

pith:2U5DNHBC

pith:2014:2U5DNHBCD5TINZQXYLDJYX5YXZ

not attested not anchored not stored refs pending

Unextendible entangled bases with fixed Schmidt number

Shengjun Wu, Yu Guo

arxiv:1407.4362 v3 · 2014-07-16 · quant-ph · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2U5DNHBCD5TINZQXYLDJYX5YXZ}

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	2026-05-18T02:33:25.135966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d53a369c221f6686e617c2c69c5fb8be6a2d192e02a6f816087567133ba1eb49

Aliases

arxiv: 1407.4362 · arxiv_version: 1407.4362v3 · doi: 10.48550/arxiv.1407.4362 · pith_short_12: 2U5DNHBCD5TI · pith_short_16: 2U5DNHBCD5TINZQX · pith_short_8: 2U5DNHBC

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/2U5DNHBCD5TINZQXYLDJYX5YXZ \
  | 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: d53a369c221f6686e617c2c69c5fb8be6a2d192e02a6f816087567133ba1eb49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b27b28dac10b1aa9713817dfb22e36da5c8b70d9be98182e2bcb98354ee678d5",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-07-16T16:08:53Z",
    "title_canon_sha256": "8c4e302777bcda10803a8c1247dffcc1481c22a4396bb2855b058740ef188703"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4362",
    "kind": "arxiv",
    "version": 3
  }
}