Pith Number

pith:RB2UV5IU

pith:2012:RB2UV5IUOZ4RK423XQLUMSH52G

not attested not anchored not stored refs pending

A Unifying Variational Perspective on Some Fundamental Information Theoretic Inequalities

Erchin Serpedin, Khalid Qaraqe, Sangwoo Park

arxiv:1211.4795 v5 · 2012-11-20 · 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{RB2UV5IUOZ4RK423XQLUMSH52G}

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	2026-05-18T01:21:20.110606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88754af514767915735bbc174648fdd1a774c540eb44dff89cf9b3f7c95cfe45

Aliases

arxiv: 1211.4795 · arxiv_version: 1211.4795v5 · doi: 10.48550/arxiv.1211.4795 · pith_short_12: RB2UV5IUOZ4R · pith_short_16: RB2UV5IUOZ4RK423 · pith_short_8: RB2UV5IU

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/RB2UV5IUOZ4RK423XQLUMSH52G \
  | 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: 88754af514767915735bbc174648fdd1a774c540eb44dff89cf9b3f7c95cfe45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dea3612d2986cc6b2f0dd00929ca1f9c1295469bd8591b2a0e6c08d24d36fe0",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-11-20T16:21:52Z",
    "title_canon_sha256": "a349b34477f0f36c9644e8e51134f896b80f9bacb32a6b28a0b1a33867443d38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4795",
    "kind": "arxiv",
    "version": 5
  }
}