Pith Number

pith:4TQ4ZQZP

pith:2016:4TQ4ZQZPA4UMCRTO2IDVIMQLIW

not attested not anchored not stored refs pending

A Greedy Blind Calibration Method for Compressed Sensing with Unknown Sensor Gains

Amirafshar Moshtaghpour, Laurent Jacques, Valerio Cambareri

arxiv:1610.02851 v3 · 2016-10-10 · cs.IT · math.IT · 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{4TQ4ZQZPA4UMCRTO2IDVIMQLIW}

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	2026-05-18T00:23:01.607205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4e1ccc32f0728c1466ed20754320b45b45929db1060fa2985fd9327ebfffb0c

Aliases

arxiv: 1610.02851 · arxiv_version: 1610.02851v3 · doi: 10.48550/arxiv.1610.02851 · pith_short_12: 4TQ4ZQZPA4UM · pith_short_16: 4TQ4ZQZPA4UMCRTO · pith_short_8: 4TQ4ZQZP

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/4TQ4ZQZPA4UMCRTO2IDVIMQLIW \
  | 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: e4e1ccc32f0728c1466ed20754320b45b45929db1060fa2985fd9327ebfffb0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8dfeacc1a4d74545d5c84fd0ab295e5de1c39aff7ef399bd7804f2f66bc9a504",
    "cross_cats_sorted": [
      "math.IT",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-10-10T11:21:41Z",
    "title_canon_sha256": "0a8af31bcb88165f30807f3505037f5234bdf24886b9aa8cef44278c344dd57b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.02851",
    "kind": "arxiv",
    "version": 3
  }
}