Pith Number

pith:W2HHA6DP

pith:2017:W2HHA6DPIU5MCEB4NNQWWY5QMZ

not attested not anchored not stored refs pending

On-Grid DOA Estimation Method Using Orthogonal Matching Pursuit

Abhishek Aich, P.Palanisamy

arxiv:1705.05211 v2 · 2017-03-29 · 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{W2HHA6DPIU5MCEB4NNQWWY5QMZ}

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	2026-05-18T00:25:07.747044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b68e70786f453ac1103c6b616b63b066677b7e0d9368fbe0c5a94d4bf443cbb8

Aliases

arxiv: 1705.05211 · arxiv_version: 1705.05211v2 · doi: 10.48550/arxiv.1705.05211 · pith_short_12: W2HHA6DPIU5M · pith_short_16: W2HHA6DPIU5MCEB4 · pith_short_8: W2HHA6DP

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/W2HHA6DPIU5MCEB4NNQWWY5QMZ \
  | 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: b68e70786f453ac1103c6b616b63b066677b7e0d9368fbe0c5a94d4bf443cbb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78b325df057aadf6e62d154f324d72a2e9c5033224e5e3a0ff9a5673c9b83424",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-03-29T06:16:00Z",
    "title_canon_sha256": "823e57253c206ffb812bce3cdcbcb1cf5ce784be54df685787ccd4775fe36d23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.05211",
    "kind": "arxiv",
    "version": 2
  }
}