Pith Number

pith:MST6IU2R

pith:2015:MST6IU2RITBR7XJ4DVJW56W5C2

not attested not anchored not stored refs pending

Superposition Coding is Almost Always Optimal for the Poisson Broadcast Channel

Abbas El Gamal, Benjamin Nachman, Hyeji Kim

arxiv:1508.04228 v2 · 2015-08-18 · 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{MST6IU2RITBR7XJ4DVJW56W5C2}

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	2026-05-18T01:34:41.516452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64a7e4535144c31fdd3c1d536efadd16b11c9bc98be734e2cd34910999e00763

Aliases

arxiv: 1508.04228 · arxiv_version: 1508.04228v2 · doi: 10.48550/arxiv.1508.04228 · pith_short_12: MST6IU2RITBR · pith_short_16: MST6IU2RITBR7XJ4 · pith_short_8: MST6IU2R

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/MST6IU2RITBR7XJ4DVJW56W5C2 \
  | 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: 64a7e4535144c31fdd3c1d536efadd16b11c9bc98be734e2cd34910999e00763

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "250a1a1cd01201bbfaabf34eb53645003a6c9ac7b99cd14ba3faedb3ec36b174",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-08-18T06:49:33Z",
    "title_canon_sha256": "3531dc8bede6f971f433a730b30af92e6fa80cc1ea32e648fa033e3eaf9cd61e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.04228",
    "kind": "arxiv",
    "version": 2
  }
}