Pith Number

pith:VMVB4SCM

pith:2019:VMVB4SCMCV5RIYAGT6XE574EFT

not attested not anchored not stored refs pending

Channel Estimation for WiFi Prototype Systems with Super-Resolution Image Recovery

Qi Shi, Shan Cao, Shugong Xu, Shunqing Zhang, Vincent Lau, Yangyu Liu

arxiv:1902.09108 v2 · 2019-02-25 · 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{VMVB4SCMCV5RIYAGT6XE574EFT}

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	2026-05-17T23:52:14.554780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab2a1e484c157b1460069fae4eff842cca81efb7122f674e28f2d2a1032c4b2a

Aliases

arxiv: 1902.09108 · arxiv_version: 1902.09108v2 · doi: 10.48550/arxiv.1902.09108 · pith_short_12: VMVB4SCMCV5R · pith_short_16: VMVB4SCMCV5RIYAG · pith_short_8: VMVB4SCM

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/VMVB4SCMCV5RIYAGT6XE574EFT \
  | 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: ab2a1e484c157b1460069fae4eff842cca81efb7122f674e28f2d2a1032c4b2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aaf085992a2d041b3e6bc1dc4162a6319f45a1d336d50ac2200bfa3f11913ab6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-02-25T06:49:24Z",
    "title_canon_sha256": "6e645e70c9343d15464dfac80cda642a9c9896d12516941b0bf6a371f794da0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09108",
    "kind": "arxiv",
    "version": 2
  }
}