Pith Number

pith:KKTM2252

pith:2009:KKTM2252SQEFBQCGK7J4XTRGQI

not attested not anchored not stored refs pending

Filter-And-Forward Distributed Beamforming in Relay Networks with Frequency Selective Fading

Alex B. Gershman, Haihua Chen, Shahram Shahbazpanahi

arxiv:0908.3815 v1 · 2009-08-26 · nlin.AO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KKTM2252SQEFBQCGK7J4XTRGQI}

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	2026-05-18T00:59:11.265556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52a6cd6bba940850c04657d3cbce26821a3a59b62164aab04deb744e07dbaaa5

Aliases

arxiv: 0908.3815 · arxiv_version: 0908.3815v1 · doi: 10.48550/arxiv.0908.3815 · pith_short_12: KKTM2252SQEF · pith_short_16: KKTM2252SQEFBQCG · pith_short_8: KKTM2252

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/KKTM2252SQEFBQCGK7J4XTRGQI \
  | 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: 52a6cd6bba940850c04657d3cbce26821a3a59b62164aab04deb744e07dbaaa5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6262b63da08004fac549ac3353c2d2d13aff3badbe2cb376f27a49eb0071a8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.AO",
    "submitted_at": "2009-08-26T13:53:39Z",
    "title_canon_sha256": "98518778a53178846720a65cbb555ed81d89f6b7a6fdadbf2aba434910a84a93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.3815",
    "kind": "arxiv",
    "version": 1
  }
}