Pith Number

pith:VVNUUNK7

pith:2014:VVNUUNK732EDWB2R2VX2PT22NK

not attested not anchored not stored refs pending

Impact of Spectrum Sharing on the Efficiency of Faster-Than-Nyquist Signaling

Gerhard Kramer, Marwa El Hefnawy

arxiv:1401.7262 v1 · 2014-01-28 · 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{VVNUUNK732EDWB2R2VX2PT22NK}

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	2026-05-18T03:00:50.495090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad5b4a355fde883b0751d56fa7cf5a6ab0ab0272489b0f9a55da10878ff9c66b

Aliases

arxiv: 1401.7262 · arxiv_version: 1401.7262v1 · doi: 10.48550/arxiv.1401.7262 · pith_short_12: VVNUUNK732ED · pith_short_16: VVNUUNK732EDWB2R · pith_short_8: VVNUUNK7

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/VVNUUNK732EDWB2R2VX2PT22NK \
  | 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: ad5b4a355fde883b0751d56fa7cf5a6ab0ab0272489b0f9a55da10878ff9c66b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2771822424203905a6c2de84b596839a499f6d53be50c09a2f3bf71b318d8164",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-01-28T17:07:52Z",
    "title_canon_sha256": "f68a9d43e49fe7cd13964b6c0cdd717b242935992813ea56ab164151e594b2c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7262",
    "kind": "arxiv",
    "version": 1
  }
}