Pith Number

pith:Z2E56U4A

pith:2011:Z2E56U4A4KGFBGTLQE2M6ETS4E

not attested not anchored not stored refs pending

On the DMT of TDD-SIMO Systems with Channel-Dependent Reverse Channel Training

B. N. Bharath, Chandra R. Murthy

arxiv:1105.2375 v2 · 2011-05-12 · 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{Z2E56U4A4KGFBGTLQE2M6ETS4E}

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	2026-05-18T03:41:42.295094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce89df5380e28c509a6b8134cf1272e1069ace54cdd33aa55e3400b7d9004083

Aliases

arxiv: 1105.2375 · arxiv_version: 1105.2375v2 · doi: 10.48550/arxiv.1105.2375 · pith_short_12: Z2E56U4A4KGF · pith_short_16: Z2E56U4A4KGFBGTL · pith_short_8: Z2E56U4A

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/Z2E56U4A4KGFBGTLQE2M6ETS4E \
  | 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: ce89df5380e28c509a6b8134cf1272e1069ace54cdd33aa55e3400b7d9004083

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c40065a0bad441779bdc4e123e692e963b49882645de610a220295e09eb5e69",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-05-12T05:38:33Z",
    "title_canon_sha256": "ed3574c749aca1861a71f6330e0fd8c4df5ae53cde41379694ced2c278b03403"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2375",
    "kind": "arxiv",
    "version": 2
  }
}