Pith Number

pith:I5NFXTAS

pith:2013:I5NFXTAS7AX42TGWAOLRYAFRGN

not attested not anchored not stored refs pending

The Degrees of Freedom of the MIMO Y-channel

Anas Chaaban, Aydin Sezgin, Karlheinz Ochs

arxiv:1305.3054 v1 · 2013-05-14 · 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{I5NFXTAS7AX42TGWAOLRYAFRGN}

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	2026-05-18T03:25:45.000494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

475a5bcc12f82fcd4cd603971c00b133438a10b1efe0f0257f98ef635cf1d94c

Aliases

arxiv: 1305.3054 · arxiv_version: 1305.3054v1 · doi: 10.48550/arxiv.1305.3054 · pith_short_12: I5NFXTAS7AX4 · pith_short_16: I5NFXTAS7AX42TGW · pith_short_8: I5NFXTAS

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/I5NFXTAS7AX42TGWAOLRYAFRGN \
  | 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: 475a5bcc12f82fcd4cd603971c00b133438a10b1efe0f0257f98ef635cf1d94c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70f53d0bbe6dcfd2ef88338ebbd4f5c3ea32235e5fd8406d50920179acb20e7f",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-05-14T08:20:18Z",
    "title_canon_sha256": "be826ee593dc6e914fe793f81d8fee7e5d73785598d13d929b99f8d320f5fea5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3054",
    "kind": "arxiv",
    "version": 1
  }
}