Pith Number

pith:DDFB23FD

pith:2016:DDFB23FD2FOZINQG6MHWDFU5XI

not attested not anchored not stored refs pending

Joint Source-Channel Secrecy Using Uncoded Schemes: Towards Secure Source Broadcast

Houqiang Li, Lei Yu, Weiping Li

arxiv:1607.07040 v3 · 2016-07-24 · 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{DDFB23FD2FOZINQG6MHWDFU5XI}

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	2026-05-18T00:39:47.597792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18ca1d6ca3d15d943606f30f61969dba017f93ece31e11d934ee52d3f7b7ebd5

Aliases

arxiv: 1607.07040 · arxiv_version: 1607.07040v3 · doi: 10.48550/arxiv.1607.07040 · pith_short_12: DDFB23FD2FOZ · pith_short_16: DDFB23FD2FOZINQG · pith_short_8: DDFB23FD

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/DDFB23FD2FOZINQG6MHWDFU5XI \
  | 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: 18ca1d6ca3d15d943606f30f61969dba017f93ece31e11d934ee52d3f7b7ebd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4a04dbfb0884f2e70902c2a5483af647c14017d14b2b58381ebcffc1ea22175",
    "cross_cats_sorted": [
      "cs.CR",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-07-24T13:21:13Z",
    "title_canon_sha256": "eb457f42690851dc2e5f386202a6ce1823f25d9fc837c32c1183a792b0951817"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.07040",
    "kind": "arxiv",
    "version": 3
  }
}