Pith Number

pith:UDCMO2MW

pith:2019:UDCMO2MW27I3STHQOPDJV775QC

not attested not anchored not stored refs pending

Cyclic Prefix Adaptation with Constant Overall Symbol Time for DFT-spread-OFDM and OFDM

Alpaslan Demir, Liangping Ma, Tao Deng

arxiv:1910.03057 v1 · 2019-10-07 · cs.NI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UDCMO2MW27I3STHQOPDJV775QC}

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	2026-07-05T01:25:23.083357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0c4c76996d7d1b94cf073c69afffd809e13d955531d79988ede74345260d2f7

Aliases

arxiv: 1910.03057 · arxiv_version: 1910.03057v1 · doi: 10.48550/arxiv.1910.03057 · pith_short_12: UDCMO2MW27I3 · pith_short_16: UDCMO2MW27I3STHQ · pith_short_8: UDCMO2MW

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/UDCMO2MW27I3STHQOPDJV775QC \
  | 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: a0c4c76996d7d1b94cf073c69afffd809e13d955531d79988ede74345260d2f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84ecbfbc8693c3a224f071326a9a2decec90793b0b3618fa0ea0d445ee24107f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2019-10-07T20:01:02Z",
    "title_canon_sha256": "8e4c138a8e556e4c7eb9eb01363eb18f0e819500857aa3debc2b2dd5c545a44e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.03057",
    "kind": "arxiv",
    "version": 1
  }
}