Pith Number

pith:SHBZSKPM

pith:2018:SHBZSKPMOJZK5LIMCOJZF2NODF

not attested not anchored not stored refs pending

An Adaptive CM Array Preconditioner for Blind Multi-User Separation

and Martin Haardt, Jo\~ao Paulo C. L. da Costa, Stanislaw Gorlow

arxiv:1807.09692 v1 · 2018-07-25 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SHBZSKPMOJZK5LIMCOJZF2NODF}

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	2026-05-18T00:09:48.517661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91c39929ec7272aead0c139392e9ae195ea09d9371ec3b1d3a4a4cb412d569e4

Aliases

arxiv: 1807.09692 · arxiv_version: 1807.09692v1 · doi: 10.48550/arxiv.1807.09692 · pith_short_12: SHBZSKPMOJZK · pith_short_16: SHBZSKPMOJZK5LIM · pith_short_8: SHBZSKPM

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/SHBZSKPMOJZK5LIMCOJZF2NODF \
  | 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: 91c39929ec7272aead0c139392e9ae195ea09d9371ec3b1d3a4a4cb412d569e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a49e10d36a077e58a0688631fd74fcfe6a7504d313a609ed7d4a905d491fe900",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-07-25T16:11:40Z",
    "title_canon_sha256": "8efd1b8b4df3830e0dde6fc1c9ff1b1337023f54429caacd1f8c0b92436f7f96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09692",
    "kind": "arxiv",
    "version": 1
  }
}