Pith Number

pith:ULO2NSHI

pith:2017:ULO2NSHID6URGQ6WHGFCI2KBRD

not attested not anchored not stored refs pending

Feedback Acquisition and Reconstruction of Spectrum-Sparse Signals by Predictive Level Comparisons

Farokh Marvasti, Mahdi Boloursaz Mashhadi, Nazanin Rahnavard, Saeed Gazor

arxiv:1711.09658 v1 · 2017-11-27 · 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{ULO2NSHID6URGQ6WHGFCI2KBRD}

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	2026-05-18T00:29:34.895103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2dda6c8e81fa91343d6398a24694188ef751da108ca124c408bcd85a0452117

Aliases

arxiv: 1711.09658 · arxiv_version: 1711.09658v1 · doi: 10.48550/arxiv.1711.09658 · pith_short_12: ULO2NSHID6UR · pith_short_16: ULO2NSHID6URGQ6W · pith_short_8: ULO2NSHI

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/ULO2NSHID6URGQ6WHGFCI2KBRD \
  | 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: a2dda6c8e81fa91343d6398a24694188ef751da108ca124c408bcd85a0452117

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60eb6e4b50cbca9517681ad163f0cdec5966efe9a35c8b64962458a1d66ab6ea",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-11-27T12:52:06Z",
    "title_canon_sha256": "083e8235bdbc3cfefc8d15b0422a1283f8103f9b00f7e917fde5e06cd0395c57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.09658",
    "kind": "arxiv",
    "version": 1
  }
}