Pith Number

pith:F2D5BZRL

pith:2017:F2D5BZRLBPTF4GDADWPSUHKM44

not attested not anchored not stored refs pending

Constant Modulus Beamforming via Convex Optimization

Amir Adler, Mati Wax

arxiv:1704.03004 v1 · 2017-04-10 · 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{F2D5BZRLBPTF4GDADWPSUHKM44}

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	2026-05-18T00:46:34.048365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e87d0e62b0be65e18601d9f2a1d4ce722e88b0d3f24b61aa1b97ea7920fa1e8

Aliases

arxiv: 1704.03004 · arxiv_version: 1704.03004v1 · doi: 10.48550/arxiv.1704.03004 · pith_short_12: F2D5BZRLBPTF · pith_short_16: F2D5BZRLBPTF4GDA · pith_short_8: F2D5BZRL

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/F2D5BZRLBPTF4GDADWPSUHKM44 \
  | 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: 2e87d0e62b0be65e18601d9f2a1d4ce722e88b0d3f24b61aa1b97ea7920fa1e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04763766b6c0afa0f946e705815ccacc75f59ddeefa9e98e3c48c2570c97b639",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-04-10T18:26:14Z",
    "title_canon_sha256": "04f73c856260f1edda1985b107a7b68346b3fdeb0cdf3826bd1593d8f933cb3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.03004",
    "kind": "arxiv",
    "version": 1
  }
}