Pith Number

pith:M7NH5B7N

pith:2018:M7NH5B7N6QSK3466WSGJQTTF5G

not attested not anchored not stored refs pending

Novel Codebook-based MC-CDMA with Compressive Sensing Multiuser Detection for Sporadic mMTC

Mehmood Alam, Qi Zhang

arxiv:1809.10454 v2 · 2018-09-27 · 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{M7NH5B7N6QSK3466WSGJQTTF5G}

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	2026-05-18T00:04:35.310288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67da7e87edf424adf3deb48c984e65e99673a70d399273b9600750e1bb1ff23a

Aliases

arxiv: 1809.10454 · arxiv_version: 1809.10454v2 · doi: 10.48550/arxiv.1809.10454 · pith_short_12: M7NH5B7N6QSK · pith_short_16: M7NH5B7N6QSK3466 · pith_short_8: M7NH5B7N

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/M7NH5B7N6QSK3466WSGJQTTF5G \
  | 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: 67da7e87edf424adf3deb48c984e65e99673a70d399273b9600750e1bb1ff23a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2edc07d485f6a719cdcfbcd3ed284f115005686d8b1dfca82b81693844009006",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-09-27T11:06:56Z",
    "title_canon_sha256": "9916fd737120465fe33c6d6c832108905e4400ea5d119d704ef6bb2dabdb9df8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.10454",
    "kind": "arxiv",
    "version": 2
  }
}