Pith Number

pith:QUNWGIMG

pith:2019:QUNWGIMGOM666JTPHMIMFHQFNA

not attested not anchored not stored refs pending

Semidefinite programming formulations for the completely bounded norm of a tensor

Monique Laurent, Sander Gribling

arxiv:1901.04921 v1 · 2019-01-15 · quant-ph · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QUNWGIMGOM666JTPHMIMFHQFNA}

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	2026-05-17T23:56:21.255908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

851b632186733def266f3b10c29e056835e1dcbe64a8b507ce295a4720c23999

Aliases

arxiv: 1901.04921 · arxiv_version: 1901.04921v1 · doi: 10.48550/arxiv.1901.04921 · pith_short_12: QUNWGIMGOM66 · pith_short_16: QUNWGIMGOM666JTP · pith_short_8: QUNWGIMG

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/QUNWGIMGOM666JTPHMIMFHQFNA \
  | 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: 851b632186733def266f3b10c29e056835e1dcbe64a8b507ce295a4720c23999

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7974053766fb8c9695d1176c0f564cda70f49003e12afa0466514ee1809ececc",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-01-15T16:35:03Z",
    "title_canon_sha256": "b92c5afcfdecd5ae9d7f638d77bafd73b6fd42dc1d2cac3fe3d641c3faa001e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04921",
    "kind": "arxiv",
    "version": 1
  }
}