Pith Number

pith:ZYXE5NV4

pith:2019:ZYXE5NV46AXYBPKXCZIS4TDRGG

not attested not anchored not stored refs pending

Construction of three classes of Strictly Optimal Frequency-Hopping Sequence Sets

Honggang Hu, Ming Mao, Xianhong Xie, Yi Ouyang

arxiv:1905.04940 v1 · 2019-05-13 · 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{ZYXE5NV46AXYBPKXCZIS4TDRGG}

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	2026-05-17T23:46:23.054372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce2e4eb6bcf02f80bd5716512e4c7131b156f5375c6e997aa1d213942c84468d

Aliases

arxiv: 1905.04940 · arxiv_version: 1905.04940v1 · doi: 10.48550/arxiv.1905.04940 · pith_short_12: ZYXE5NV46AXY · pith_short_16: ZYXE5NV46AXYBPKX · pith_short_8: ZYXE5NV4

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/ZYXE5NV46AXYBPKXCZIS4TDRGG \
  | 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: ce2e4eb6bcf02f80bd5716512e4c7131b156f5375c6e997aa1d213942c84468d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "158eff0db62610faedb71bd5344f6fe7fe0e8d153c079bb272e70210b44bd73d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-05-13T09:54:08Z",
    "title_canon_sha256": "08d09891dd7718cc5a0a85947f007522b2e93c4d2e305f3cc5633659c2ac8364"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.04940",
    "kind": "arxiv",
    "version": 1
  }
}