Pith Number

pith:42ASDKOP

pith:2018:42ASDKOPCKQP5UUPXKZ24VZZ4X

not attested not anchored not stored refs pending

An Expectation-Maximization Approach to Tuning Generalized Vector Approximate Message Passing

Christopher A. Metzler, Philip Schniter, Richard G. Baraniuk

arxiv:1806.10079 v1 · 2018-06-26 · 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{42ASDKOPCKQP5UUPXKZ24VZZ4X}

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	2026-05-18T00:12:20.008058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e68121a9cf12a0fed28fbab3ae5739e5de81b7653312d5cd01edf0a5c752df04

Aliases

arxiv: 1806.10079 · arxiv_version: 1806.10079v1 · doi: 10.48550/arxiv.1806.10079 · pith_short_12: 42ASDKOPCKQP · pith_short_16: 42ASDKOPCKQP5UUP · pith_short_8: 42ASDKOP

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/42ASDKOPCKQP5UUPXKZ24VZZ4X \
  | 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: e68121a9cf12a0fed28fbab3ae5739e5de81b7653312d5cd01edf0a5c752df04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5377e1fbc3e3a568b0e158b4aef815a0ccaacfdb94485ffb6a6131b620ac5ad3",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-06-26T15:55:49Z",
    "title_canon_sha256": "d8081d9de828e923b02f2d78316343f30187087113267c4c350086f65c5b1cb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.10079",
    "kind": "arxiv",
    "version": 1
  }
}