Pith Number

pith:FZS7ZYWF

pith:2019:FZS7ZYWFI3KETCXZ5EB2IFW5SQ

not attested not anchored not stored refs pending

Free Ride on LDPC Coded Transmission

Shancheng Zhao, Suihua Cai, Xiao Ma

arxiv:1906.10806 v1 · 2019-06-26 · 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{FZS7ZYWFI3KETCXZ5EB2IFW5SQ}

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	2026-05-17T23:42:14.725398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e65fce2c546d4498af9e903a416dd9411ef824f820b2573fa2573d29880bc5b

Aliases

arxiv: 1906.10806 · arxiv_version: 1906.10806v1 · doi: 10.48550/arxiv.1906.10806 · pith_short_12: FZS7ZYWFI3KE · pith_short_16: FZS7ZYWFI3KETCXZ · pith_short_8: FZS7ZYWF

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/FZS7ZYWFI3KETCXZ5EB2IFW5SQ \
  | 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: 2e65fce2c546d4498af9e903a416dd9411ef824f820b2573fa2573d29880bc5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f11c4ed89c167b00c390aebf32998d12df5c2de54db08ebe939f8cbab289817",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-06-26T01:51:37Z",
    "title_canon_sha256": "99d154b3eb758f006020975af76c544629d94d00c506e6939b18ebe22924469b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.10806",
    "kind": "arxiv",
    "version": 1
  }
}