pith. sign in
Pith Number

pith:HIO27ZPX

pith:2012:HIO27ZPXRJLOSRA5MSRAI6QUDE
not attested not anchored not stored refs pending

The relation between Granger causality and directed information theory: a review

Olivier J. J. Michel, Pierre-Olivier Amblard

arxiv:1211.3169 v1 · 2012-11-14 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HIO27ZPXRJLOSRA5MSRAI6QUDE}

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 2026-05-18T01:53:15.900152Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3a1dafe5f78a56e9441d64a2047a14190f98def4a82803b2fa1eae625e8d189f

Aliases

arxiv: 1211.3169 · arxiv_version: 1211.3169v1 · doi: 10.48550/arxiv.1211.3169 · pith_short_12: HIO27ZPXRJLO · pith_short_16: HIO27ZPXRJLOSRA5 · pith_short_8: HIO27ZPX
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HIO27ZPXRJLOSRA5MSRAI6QUDE \
  | 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: 3a1dafe5f78a56e9441d64a2047a14190f98def4a82803b2fa1eae625e8d189f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8b520003cab0a59a13d876a4f8c674abf42b35286bb3d87f134f0b0a91b5d00a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-11-14T00:13:27Z",
    "title_canon_sha256": "575321b0368c3fa535945908b735cc466a38aaab5b607d3099606e5018ae6e5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.3169",
    "kind": "arxiv",
    "version": 1
  }
}