Pith Number

pith:ZNPXGUJN

pith:2015:ZNPXGUJNDL7DBQQQJN5H5KQF72

not attested not anchored not stored refs pending

Tracking A Dynamic Sparse Channel Via Differential Orthogonal Matching Pursuit

Linglong Dai, Marc Moonen, Wei Dai, Xudong Zhu, Zhaocheng Wang

arxiv:1507.05363 v1 · 2015-07-20 · 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{ZNPXGUJNDL7DBQQQJN5H5KQF72}

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	2026-05-18T00:58:58.034487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb5f73512d1afe30c2104b7a7eaa05fe813e48741e0096111bfc3c8024a68615

Aliases

arxiv: 1507.05363 · arxiv_version: 1507.05363v1 · doi: 10.48550/arxiv.1507.05363 · pith_short_12: ZNPXGUJNDL7D · pith_short_16: ZNPXGUJNDL7DBQQQ · pith_short_8: ZNPXGUJN

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/ZNPXGUJNDL7DBQQQJN5H5KQF72 \
  | 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: cb5f73512d1afe30c2104b7a7eaa05fe813e48741e0096111bfc3c8024a68615

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a77eda0e5cd86c714b30100f97de26aa165f76dfda9e07ca69e39d768b59456",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-07-20T01:54:13Z",
    "title_canon_sha256": "8358cb92169d40a6528096cdd1391eaad14335d5fbd56633541979a5c472e0c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.05363",
    "kind": "arxiv",
    "version": 1
  }
}