Pith Number

pith:JQXZSQJW

pith:2007:JQXZSQJWHNKU5JBKKNQ5UBQNMS

not attested not anchored not stored refs pending

The Wiretap Channel with Feedback: Encryption over the Channel

Hesham El Gamal, H. Vincent Poor, Lifeng Lai

arxiv:0704.2259 v1 · 2007-04-18 · cs.IT · cs.CR · 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{JQXZSQJWHNKU5JBKKNQ5UBQNMS}

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	2026-05-18T00:58:02.426686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c2f9941363b554ea42a5361da060d648a809a3f8f0c2e7ddce69a20073faed9

Aliases

arxiv: 0704.2259 · arxiv_version: 0704.2259v1 · doi: 10.48550/arxiv.0704.2259 · pith_short_12: JQXZSQJWHNKU · pith_short_16: JQXZSQJWHNKU5JBK · pith_short_8: JQXZSQJW

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/JQXZSQJWHNKU5JBKKNQ5UBQNMS \
  | 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: 4c2f9941363b554ea42a5361da060d648a809a3f8f0c2e7ddce69a20073faed9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "977c5132ecb781ccbd45a11428e1fd24de50a8cab51d65017d1db0de21cdaf1c",
    "cross_cats_sorted": [
      "cs.CR",
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2007-04-18T02:43:40Z",
    "title_canon_sha256": "c0b0ffac9cd80946b6bc22b8a3fbb273d913714db6e9b89760362578f4b11f4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.2259",
    "kind": "arxiv",
    "version": 1
  }
}