Pith Number

pith:UZ4XS7UR

pith:2018:UZ4XS7UR4GGEQTEMCHTYSDSFLG

not attested not anchored not stored refs pending

Covert Communication over a K-User Multiple Access Channel

Keerthi Suria Kumar Arumugam, Matthieu R. Bloch

arxiv:1803.06007 v3 · 2018-03-15 · 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{UZ4XS7UR4GGEQTEMCHTYSDSFLG}

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	2026-05-17T23:43:51.362035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a679797e91e18c484c8c11e7890e4559b93d684793e01b4f00a4feb209b67996

Aliases

arxiv: 1803.06007 · arxiv_version: 1803.06007v3 · doi: 10.48550/arxiv.1803.06007 · pith_short_12: UZ4XS7UR4GGE · pith_short_16: UZ4XS7UR4GGEQTEM · pith_short_8: UZ4XS7UR

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/UZ4XS7UR4GGEQTEMCHTYSDSFLG \
  | 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: a679797e91e18c484c8c11e7890e4559b93d684793e01b4f00a4feb209b67996

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d64b0853486ca9e8a5bb1c1606d67d713ac59a406be177ee0fbec9c48fbf564a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-03-15T21:23:34Z",
    "title_canon_sha256": "4f652c3ee0378d997e1be595e644c36aea5eb8f7ce4ca3f2c3e3272a93d946b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06007",
    "kind": "arxiv",
    "version": 3
  }
}