Pith Number

pith:EM7PNR6R

pith:2015:EM7PNR6RM7B6C3DC4II33DPSCE

not attested not anchored not stored refs pending

Weakly Secure MDS Codes for Simple Multiple Access Networks

Chau Yuen, Son Hoang Dau, Wentu Song

arxiv:1504.05662 v1 · 2015-04-22 · cs.IT · math.CO · 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{EM7PNR6RM7B6C3DC4II33DPSCE}

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	2026-05-18T02:18:13.020987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

233ef6c7d167c3e16c62e211bd8df21115eb629820a3a6da11db697592bc99cc

Aliases

arxiv: 1504.05662 · arxiv_version: 1504.05662v1 · doi: 10.48550/arxiv.1504.05662 · pith_short_12: EM7PNR6RM7B6 · pith_short_16: EM7PNR6RM7B6C3DC · pith_short_8: EM7PNR6R

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/EM7PNR6RM7B6C3DC4II33DPSCE \
  | 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: 233ef6c7d167c3e16c62e211bd8df21115eb629820a3a6da11db697592bc99cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40d9be73fb136b3044b6180147f5d3701d752230a0814e392d974aabdfd57861",
    "cross_cats_sorted": [
      "math.CO",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-04-22T05:57:30Z",
    "title_canon_sha256": "a8d9f06a9ef26644ef7d7dbbc6a2f057a6b3fa57d45c66fd552781ca2c688f8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05662",
    "kind": "arxiv",
    "version": 1
  }
}