Pith Number

pith:2BPLJFMZ

pith:2017:2BPLJFMZOWHAEO4HS6TNK3NTUZ

not attested not anchored not stored refs pending

Dimensionality reduction of SDPs through sketching

Andreas Bluhm, Daniel Stilck Franca

arxiv:1707.09863 v2 · 2017-07-31 · math.OC · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2BPLJFMZOWHAEO4HS6TNK3NTUZ}

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	2026-05-17T23:54:26.700458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d05eb49599758e023b8797a6d56db3a66cf6df3dfb01164a826fc04e04bcd278

Aliases

arxiv: 1707.09863 · arxiv_version: 1707.09863v2 · doi: 10.48550/arxiv.1707.09863 · pith_short_12: 2BPLJFMZOWHA · pith_short_16: 2BPLJFMZOWHAEO4H · pith_short_8: 2BPLJFMZ

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/2BPLJFMZOWHAEO4HS6TNK3NTUZ \
  | 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: d05eb49599758e023b8797a6d56db3a66cf6df3dfb01164a826fc04e04bcd278

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c6f97f00421739edc454b55b37ff3ed4df1ba9efdae6d3a36f91491a3848da7",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-07-31T14:26:19Z",
    "title_canon_sha256": "5e8eb2088af5f2ad73daa91f3dd0296de868cc1f940ba4f3be1c7e25d731be5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09863",
    "kind": "arxiv",
    "version": 2
  }
}