Pith Number

pith:UPJERBNI

pith:2010:UPJERBNIOB5VXKEXREFALMDQVY

not attested not anchored not stored refs pending

Secret-key Agreement with Channel State Information at the Transmitter

Ashish Khisti, Gregory Wornell, Suhas Diggavi

arxiv:1009.3052 v2 · 2010-09-15 · 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{UPJERBNIOB5VXKEXREFALMDQVY}

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	2026-05-18T00:57:57.624633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3d24885a8707b5ba897890a05b070ae1581e0533feee3abe7eb155ea144a6fb

Aliases

arxiv: 1009.3052 · arxiv_version: 1009.3052v2 · doi: 10.48550/arxiv.1009.3052 · pith_short_12: UPJERBNIOB5V · pith_short_16: UPJERBNIOB5VXKEX · pith_short_8: UPJERBNI

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/UPJERBNIOB5VXKEXREFALMDQVY \
  | 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: a3d24885a8707b5ba897890a05b070ae1581e0533feee3abe7eb155ea144a6fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3eea8c5d3ccb21cf4a416308bc2dd089fecdceeac24c06cd86b4fa0a956b4ea4",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-09-15T21:56:32Z",
    "title_canon_sha256": "31ed4ab126f5261ce26637cf0d68fe4bc4f569d69c45e7cc0578e72988769597"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.3052",
    "kind": "arxiv",
    "version": 2
  }
}