Pith Number

pith:PFXCBFAH

pith:2018:PFXCBFAH3MHREXE6KH7XR34K75

not attested not anchored not stored refs pending

Bias Compensation in Iterative Soft-Feedback Algorithms with Application to (Discrete) Compressed Sensing

Robert F.H. Fischer, Susanne Sparrer

arxiv:1802.07105 v1 · 2018-02-20 · 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{PFXCBFAH3MHREXE6KH7XR34K75}

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	2026-05-18T00:22:53.539055Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

796e209407db0f125c9e51ff78ef8aff4d487c59f63db4faf31f847848c72fbc

Aliases

arxiv: 1802.07105 · arxiv_version: 1802.07105v1 · doi: 10.48550/arxiv.1802.07105 · pith_short_12: PFXCBFAH3MHR · pith_short_16: PFXCBFAH3MHREXE6 · pith_short_8: PFXCBFAH

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/PFXCBFAH3MHREXE6KH7XR34K75 \
  | 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: 796e209407db0f125c9e51ff78ef8aff4d487c59f63db4faf31f847848c72fbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "063a4933467e851fd8da3ae0d4423057be923687b163443549212a860bdaf0be",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-02-20T13:30:30Z",
    "title_canon_sha256": "9eac62711f1cdfd8595c624f0fe07d6d0b693b619ffc7d285d9de5413064f7b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07105",
    "kind": "arxiv",
    "version": 1
  }
}