Pith Number

pith:J3U4PDXJ

pith:2011:J3U4PDXJ2BQJQET4KKPP4G43YH

not attested not anchored not stored refs pending

Utility Optimal Coding for Packet Transmission over Wireless Networks - Part II: Networks of Packet Erasure Channels

Douglas J. Leith, Premkumar Karumbu, Xiaomin Chen

arxiv:1107.1890 v1 · 2011-07-10 · cs.IT · cs.NI · 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{J3U4PDXJ2BQJQET4KKPP4G43YH}

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	2026-05-18T02:21:43.022346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ee9c78ee9d06098127c529efe1b9bc1c0c433e1637fd7124c5efa0a19f9c258

Aliases

arxiv: 1107.1890 · arxiv_version: 1107.1890v1 · doi: 10.48550/arxiv.1107.1890 · pith_short_12: J3U4PDXJ2BQJ · pith_short_16: J3U4PDXJ2BQJQET4 · pith_short_8: J3U4PDXJ

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/J3U4PDXJ2BQJQET4KKPP4G43YH \
  | 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: 4ee9c78ee9d06098127c529efe1b9bc1c0c433e1637fd7124c5efa0a19f9c258

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b854f8e69ebff01d0bfd76a02c13d17457822a5d5042e15e0e4b9f1cbc8c3ab",
    "cross_cats_sorted": [
      "cs.NI",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-07-10T19:51:52Z",
    "title_canon_sha256": "649a04bf79e9772c52734bc9a2bfe13baa5518cc9ba688948dcaf45c9a2e8a4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1890",
    "kind": "arxiv",
    "version": 1
  }
}