Pith Number

pith:ZAMIRWFN

pith:2011:ZAMIRWFNI3RW2QXYM25JSCOEIT

not attested not anchored not stored refs pending

Pointwise Relations between Information and Estimation in Gaussian Noise

Kartik Venkat, Tsachy Weissman

arxiv:1110.6654 v2 · 2011-10-30 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZAMIRWFNI3RW2QXYM25JSCOEIT}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:56:36.232852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c81888d8ad46e36d42f866ba9909c444c112984997227edc7098c8afc5fec28d

Aliases

arxiv: 1110.6654 · arxiv_version: 1110.6654v2 · doi: 10.48550/arxiv.1110.6654 · pith_short_12: ZAMIRWFNI3RW · pith_short_16: ZAMIRWFNI3RW2QXY · pith_short_8: ZAMIRWFN

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/ZAMIRWFNI3RW2QXYM25JSCOEIT \
  | 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: c81888d8ad46e36d42f866ba9909c444c112984997227edc7098c8afc5fec28d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc0f0e346395ee8a2efa46855d5ecb58fc67faa7666cd8894112b7b4e3c4307c",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-10-30T20:52:34Z",
    "title_canon_sha256": "11c872f8190c00c9648cb591b7f3fba89e892551357d8cb20044de24eda63b96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.6654",
    "kind": "arxiv",
    "version": 2
  }
}