Pith Number

pith:GHDVWWDU

pith:2018:GHDVWWDUR2AKW7AE27P5R2CAFY

not attested not anchored not stored refs pending

On Partly Overloaded Spreading Sequences with Variable Spreading Factor

Andreas Weinand, Hans D. Schotten, Michael Karrenbauer

arxiv:1801.04131 v1 · 2018-01-12 · eess.SP · cs.IT · cs.NI · 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{GHDVWWDUR2AKW7AE27P5R2CAFY}

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	2026-05-18T00:26:11.778134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31c75b58748e80ab7c04d7dfd8e8402e2f190151b3b3a8f7fec271e2a2cc1594

Aliases

arxiv: 1801.04131 · arxiv_version: 1801.04131v1 · doi: 10.48550/arxiv.1801.04131 · pith_short_12: GHDVWWDUR2AK · pith_short_16: GHDVWWDUR2AKW7AE · pith_short_8: GHDVWWDU

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/GHDVWWDUR2AKW7AE27P5R2CAFY \
  | 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: 31c75b58748e80ab7c04d7dfd8e8402e2f190151b3b3a8f7fec271e2a2cc1594

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98cd5d37612fb5109403ee07e3894ef843f8aa2988a21d79fb0dd8c1ea5af06e",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.NI",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-01-12T10:54:45Z",
    "title_canon_sha256": "cf8e8570ca529c456d564311fcf6f9dd8d92857f06f14a9af7831cb4943f42d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04131",
    "kind": "arxiv",
    "version": 1
  }
}