Pith Number

pith:JDGXM5R3

pith:2012:JDGXM5R3U3GK6XWIFW7BH3LMSE

not attested not anchored not stored refs pending

On The Performance of Random Block Codes over Finite-State Fading Channels

Fatemeh Hamidi-Sepehr, Henry Pfister, Jean-Francois Chamberland

arxiv:1202.0813 v2 · 2012-02-03 · 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{JDGXM5R3U3GK6XWIFW7BH3LMSE}

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	2026-05-18T04:02:37.140656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48cd76763ba6ccaf5ec82dbe13ed6c9130f1da7c45994f7eed18ebc328ddd820

Aliases

arxiv: 1202.0813 · arxiv_version: 1202.0813v2 · doi: 10.48550/arxiv.1202.0813 · pith_short_12: JDGXM5R3U3GK · pith_short_16: JDGXM5R3U3GK6XWI · pith_short_8: JDGXM5R3

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/JDGXM5R3U3GK6XWIFW7BH3LMSE \
  | 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: 48cd76763ba6ccaf5ec82dbe13ed6c9130f1da7c45994f7eed18ebc328ddd820

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebbec2c75ce742194643c4633d379c324d8d90af667f4fec10e89a5877b0b11a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-02-03T20:46:35Z",
    "title_canon_sha256": "3da1e881185b27e42260d941689a8eb06ceeeadbfdd1e84989e2b295e9f6dffd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0813",
    "kind": "arxiv",
    "version": 2
  }
}