Pith Number

pith:23ITX6VG

pith:2009:23ITX6VG2P4BM7J6HBDR5TWSOL

not attested not anchored not stored refs pending

Training-Based Schemes are Suboptimal for High Rate Asynchronous Communication

Aslan Tchamkerten, Gregory W. Wornell, Venkat Chandar

arxiv:0908.4051 v1 · 2009-08-27 · 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{23ITX6VG2P4BM7J6HBDR5TWSOL}

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	2026-05-18T00:58:19.962292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6d13bfaa6d3f8167d3e38471eced272d38bd64d1f28316597f58bc06116545c

Aliases

arxiv: 0908.4051 · arxiv_version: 0908.4051v1 · doi: 10.48550/arxiv.0908.4051 · pith_short_12: 23ITX6VG2P4B · pith_short_16: 23ITX6VG2P4BM7J6 · pith_short_8: 23ITX6VG

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/23ITX6VG2P4BM7J6HBDR5TWSOL \
  | 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: d6d13bfaa6d3f8167d3e38471eced272d38bd64d1f28316597f58bc06116545c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5d590ddb4b161900a6d97b1d226940ed2ab48263c468b2a1ceb01c81bfbe551",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-08-27T19:44:59Z",
    "title_canon_sha256": "c641e5083701279215df5433e13720e99cb76cddedc4ec12e627861600ff858c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.4051",
    "kind": "arxiv",
    "version": 1
  }
}