Pith Number

pith:YCQ6J3X2

pith:2015:YCQ6J3X2O4EA7LMKNQSXUN3EWC

not attested not anchored not stored refs pending

Sensor placement by maximal projection on minimum eigenspace for linear inverse problems

Chaoyang Jiang, Hua Li, Yeng Chai Soh

arxiv:1506.00747 v3 · 2015-06-02 · cs.DS · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YCQ6J3X2O4EA7LMKNQSXUN3EWC}

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	2026-05-18T01:00:10.236825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0a1e4eefa77080fad8a6c257a3764b08af31d1d1f92a7a9861c185c35e8c0e5

Aliases

arxiv: 1506.00747 · arxiv_version: 1506.00747v3 · doi: 10.48550/arxiv.1506.00747 · pith_short_12: YCQ6J3X2O4EA · pith_short_16: YCQ6J3X2O4EA7LMK · pith_short_8: YCQ6J3X2

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/YCQ6J3X2O4EA7LMKNQSXUN3EWC \
  | 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: c0a1e4eefa77080fad8a6c257a3764b08af31d1d1f92a7a9861c185c35e8c0e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c446f7c9c446c369fc3fc4630d6237153079668c3d75597b76238266af53efc",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-06-02T04:48:49Z",
    "title_canon_sha256": "099bc5e46aed10cc831f9af88eaba276da7553c6ba711e9451a5f2e336110e9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.00747",
    "kind": "arxiv",
    "version": 3
  }
}