Pith Number

pith:2RIPLFMF

pith:2026:2RIPLFMFU2PWXSXVLRNFLAWD7I

not attested not anchored not stored refs pending

Optimal experimental design for passive imaging source problems

Christian Aarset, Georg Stadler, Thorsten Hohage

arxiv:2606.05490 v1 · 2026-06-03 · 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{2RIPLFMFU2PWXSXVLRNFLAWD7I}

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	2026-06-05T01:14:52.762956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d450f59585a69f6bcaf55c5a5582c3fa1b2a80a6a5ca7b4fb57c5b20ea2bbaf4

Aliases

arxiv: 2606.05490 · arxiv_version: 2606.05490v1 · doi: 10.48550/arxiv.2606.05490 · pith_short_12: 2RIPLFMFU2PW · pith_short_16: 2RIPLFMFU2PWXSXV · pith_short_8: 2RIPLFMF

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/2RIPLFMFU2PWXSXVLRNFLAWD7I \
  | 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: d450f59585a69f6bcaf55c5a5582c3fa1b2a80a6a5ca7b4fb57c5b20ea2bbaf4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4578209ddcc481750e57ab4f5c8300ca377d4bc31f4f6230103b0787cf276a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-06-03T22:30:39Z",
    "title_canon_sha256": "47f9bad1ea70f6f0f25419780a7cf6600ae9265f44bcc5029eedc13d1c28ad4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.05490",
    "kind": "arxiv",
    "version": 1
  }
}