Pith Number

pith:DJFHJUZC

pith:2009:DJFHJUZCIWP5PSRBJS3YPFICJO

not attested not anchored not stored refs pending

Interference Assisted Secret Communication

H. Vincent Poor, Predrag Spasojevic, Ruoheng Liu, Xiaojun Tang

arxiv:0908.2397 v1 · 2009-08-17 · 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{DJFHJUZCIWP5PSRBJS3YPFICJO}

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	2026-05-18T00:57:58.034037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a4a74d322459fd7ca214cb78795024bb21df18d1fa45f3ffd1d03486d694b82

Aliases

arxiv: 0908.2397 · arxiv_version: 0908.2397v1 · doi: 10.48550/arxiv.0908.2397 · pith_short_12: DJFHJUZCIWP5 · pith_short_16: DJFHJUZCIWP5PSRB · pith_short_8: DJFHJUZC

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/DJFHJUZCIWP5PSRBJS3YPFICJO \
  | 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: 1a4a74d322459fd7ca214cb78795024bb21df18d1fa45f3ffd1d03486d694b82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24d8b2164075b61085a43ae677d361f1ee5841187eb2dbdb1cd4641ddd4e671a",
    "cross_cats_sorted": [
      "cs.CR",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-08-17T17:07:36Z",
    "title_canon_sha256": "2e4f001565065f6ae026072795dc701c3b7c9fe12058e6d520e624af1ab67440"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.2397",
    "kind": "arxiv",
    "version": 1
  }
}