Pith Number

pith:FUQWVTDY

pith:2016:FUQWVTDY2JU676QLLVPLODY6A7

not attested not anchored not stored refs pending

Channel Estimation for Millimeter Wave Multiuser MIMO Systems via PARAFAC Decomposition

Hongbin Li, Jun Fang, Linxiao Yang, Shaoqian Li, Zhi Chen, Zhou Zhou

arxiv:1602.07955 v1 · 2016-02-25 · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-18T01:19:58.200953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d216acc78d269effa0b5d5eb70f1e07e5f13dc95b64e1559c4bbc06b7d62475

Aliases

arxiv: 1602.07955 · arxiv_version: 1602.07955v1 · doi: 10.48550/arxiv.1602.07955 · pith_short_12: FUQWVTDY2JU6 · pith_short_16: FUQWVTDY2JU676QL · pith_short_8: FUQWVTDY

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/FUQWVTDY2JU676QLLVPLODY6A7 \
  | 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: 2d216acc78d269effa0b5d5eb70f1e07e5f13dc95b64e1559c4bbc06b7d62475

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54718eec3d09afeed65f70372629e802dcf2c3e380fe81169f6aaa4f248e8748",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-02-25T14:54:08Z",
    "title_canon_sha256": "d28a6ae69a49d4d88fdb0ec845456942a0dad2422b8ed6ad2aa8806ab2bbb471"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.07955",
    "kind": "arxiv",
    "version": 1
  }
}