Pith Number

pith:SFUACEEB

pith:2015:SFUACEEBVFD4YOSULCY5ZZZC3N

not attested not anchored not stored refs pending

Joint Channel Estimation and Pilot Allocation in Underlay Cognitive MISO Networks

Bjorn Ottersten, Maha Alodeh, Symeon Chatzinotas

arxiv:1505.02027 v1 · 2015-05-08 · 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{SFUACEEBVFD4YOSULCY5ZZZC3N}

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	2026-05-18T02:16:38.138197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9168011081a947cc3a5458b1dce722db6f6a975cef207df55b32e0f98f60b1a4

Aliases

arxiv: 1505.02027 · arxiv_version: 1505.02027v1 · doi: 10.48550/arxiv.1505.02027 · pith_short_12: SFUACEEBVFD4 · pith_short_16: SFUACEEBVFD4YOSU · pith_short_8: SFUACEEB

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/SFUACEEBVFD4YOSULCY5ZZZC3N \
  | 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: 9168011081a947cc3a5458b1dce722db6f6a975cef207df55b32e0f98f60b1a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93f372a5eed93319c852a5d090681fdabcec9071c9e9a4e4cc9d1689d9a22605",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-05-08T13:12:44Z",
    "title_canon_sha256": "5eeccf51539d0dc1ab0dfa3ef4f29d3ba6f07850a2927fb02270ca5d78e501ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02027",
    "kind": "arxiv",
    "version": 1
  }
}