Pith Number

pith:SCFCFVAH

pith:2012:SCFCFVAHV2UXBXITRIO3A3BSVO

not attested not anchored not stored refs pending

Transmission of Voice Signal: BER Performance Analysis of Different FEC Schemes Based OFDM System over Various Channels

Md. Golam Rashed, Md. Matiqul Islam, Md. Selim Reza, M. Hasnat Kabir, Rifat Ara Shams, Saleh Masum, Sheikh Enayet Ullah

arxiv:1207.3875 v1 · 2012-07-17 · cs.IT · cs.PF · 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{SCFCFVAHV2UXBXITRIO3A3BSVO}

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	2026-05-18T03:50:49.740661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

908a22d407aea970dd138a1db06c32abba2b476aaddba551e5db6ee214f94368

Aliases

arxiv: 1207.3875 · arxiv_version: 1207.3875v1 · doi: 10.48550/arxiv.1207.3875 · pith_short_12: SCFCFVAHV2UX · pith_short_16: SCFCFVAHV2UXBXIT · pith_short_8: SCFCFVAH

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/SCFCFVAHV2UXBXITRIO3A3BSVO \
  | 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: 908a22d407aea970dd138a1db06c32abba2b476aaddba551e5db6ee214f94368

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d553c015d2da9ebd4695c5bf595c5a3417e96d48fcfd8c949af7faaa9a59ab8",
    "cross_cats_sorted": [
      "cs.PF",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-07-17T04:12:31Z",
    "title_canon_sha256": "21404aead04e870bc81da376e9eefb76130ffdb7d0d9189441326171064e99db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3875",
    "kind": "arxiv",
    "version": 1
  }
}