Pith Number

pith:D252JBCZ

pith:2017:D252JBCZ4SKZIB4P4KYFVPPU7G

not attested not anchored not stored refs pending

Beamspace Channel Estimation in mmWave Systems via Cosparse Image Reconstruction Technique

Chao-Kai Wen, Feifei Gao, Jie Yang, Shi Jin

arxiv:1707.09097 v1 · 2017-07-28 · 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{D252JBCZ4SKZIB4P4KYFVPPU7G}

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	2026-05-18T00:39:17.109874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ebba48459e49594078fe2b05abdf4f98de50a476004bfe2bc2f2a7556bb0729

Aliases

arxiv: 1707.09097 · arxiv_version: 1707.09097v1 · doi: 10.48550/arxiv.1707.09097 · pith_short_12: D252JBCZ4SKZ · pith_short_16: D252JBCZ4SKZIB4P · pith_short_8: D252JBCZ

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/D252JBCZ4SKZIB4P4KYFVPPU7G \
  | 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: 1ebba48459e49594078fe2b05abdf4f98de50a476004bfe2bc2f2a7556bb0729

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35c056d04d29637f7252274239587e004c2c7af22ee7343d7ac6a850569ebbeb",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-07-28T03:35:08Z",
    "title_canon_sha256": "c424c688e9ca2df6494bf26ec650ed8a156cf573c5a43ab127207628fe5e6b8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09097",
    "kind": "arxiv",
    "version": 1
  }
}