Pith Number

pith:7KJCPCZE

pith:2018:7KJCPCZEY7W7YBFCSGEQHSHE3C

not attested not anchored not stored refs pending

Combining Matrix Design for 2D DoA Estimation with Compressive Antenna Arrays using Stochastic Gradient Descent

Florian R\"omer, Sankalp Pawar, Sebastian Semper

arxiv:1811.01554 v1 · 2018-11-05 · 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{7KJCPCZEY7W7YBFCSGEQHSHE3C}

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	2026-05-18T00:01:33.981820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa92278b24c7edfc04a2918903c8e4d89417e703b58d7c29e701396c0f6cfe46

Aliases

arxiv: 1811.01554 · arxiv_version: 1811.01554v1 · doi: 10.48550/arxiv.1811.01554 · pith_short_12: 7KJCPCZEY7W7 · pith_short_16: 7KJCPCZEY7W7YBFC · pith_short_8: 7KJCPCZE

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/7KJCPCZEY7W7YBFCSGEQHSHE3C \
  | 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: fa92278b24c7edfc04a2918903c8e4d89417e703b58d7c29e701396c0f6cfe46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dd6119436bc61a0ba0e9e6218f1357ca7722f34f390561c6a3c8178b0c38240",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-11-05T08:52:16Z",
    "title_canon_sha256": "6498fb1c48ae3892d9761c5499fe27fec1d9967e9ac7a64b511c7a6a1dd45b97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.01554",
    "kind": "arxiv",
    "version": 1
  }
}