Pith Number

pith:S62ZNACE

pith:2009:S62ZNACEUN67E346BUVWF6325L

not attested not anchored not stored refs pending

On the Delay Limited Secrecy Capacity of Fading Channels

Hesham El Gamal, Karim Khalil, Moustafa Youssef, O. Ozan Koyluoglu

arxiv:0901.2616 v2 · 2009-01-19 · 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{S62ZNACEUN67E346BUVWF6325L}

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	2026-05-18T00:59:11.513504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97b5968044a37df26f9e0d2b62fb7aeac029c8b96a25cf4c8ec16958841aa905

Aliases

arxiv: 0901.2616 · arxiv_version: 0901.2616v2 · doi: 10.48550/arxiv.0901.2616 · pith_short_12: S62ZNACEUN67 · pith_short_16: S62ZNACEUN67E346 · pith_short_8: S62ZNACE

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/S62ZNACEUN67E346BUVWF6325L \
  | 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: 97b5968044a37df26f9e0d2b62fb7aeac029c8b96a25cf4c8ec16958841aa905

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "347881282e0f3662e4868c036c14f66e8af2306b7b0a6dd220dd66c540671a94",
    "cross_cats_sorted": [
      "cs.CR",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-01-19T16:02:14Z",
    "title_canon_sha256": "0346e9d975d29ad5b235244a3a72695fc0de370db927d04ca85bc75f1b44df15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.2616",
    "kind": "arxiv",
    "version": 2
  }
}