Pith Number

pith:BYGL2WFW

pith:2015:BYGL2WFW4QDWFMRJZOXLTCEXTY

not attested not anchored not stored refs pending

Semidefinite relaxations in optimal experiment design with application to substrate injection for hyperpolarized MRI

John Maidens, Murat Arcak

arxiv:1510.00455 v2 · 2015-10-02 · cs.SY · 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{BYGL2WFW4QDWFMRJZOXLTCEXTY}

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	2026-05-18T01:18:42.734102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e0cbd58b6e40762b229cbaeb988979e1f3710df7dd5dda99871ea5d232d6e14

Aliases

arxiv: 1510.00455 · arxiv_version: 1510.00455v2 · doi: 10.48550/arxiv.1510.00455 · pith_short_12: BYGL2WFW4QDW · pith_short_16: BYGL2WFW4QDWFMRJ · pith_short_8: BYGL2WFW

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/BYGL2WFW4QDWFMRJZOXLTCEXTY \
  | 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: 0e0cbd58b6e40762b229cbaeb988979e1f3710df7dd5dda99871ea5d232d6e14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c91ec4c832eb6f6429987397acfb4e757e537feedb2cb1b4c91012e0c4211a20",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2015-10-02T00:38:48Z",
    "title_canon_sha256": "741a6f3a56c667930b9a18f6462fe7b4f43357630f6750989c3a8b1979644f3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.00455",
    "kind": "arxiv",
    "version": 2
  }
}