Pith Number

pith:O64LSBE3

pith:2019:O64LSBE3PTUI2RQVSWQVP3TNRL

not attested not anchored not stored refs pending

A Survey of Optimization Approaches for Wireless Physical Layer Security

Bo Bai, Dong Wang, Wenbo Zhao, Zhu Han

arxiv:1901.07955 v1 · 2019-01-23 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O64LSBE3PTUI2RQVSWQVP3TNRL}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:55:39.403631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77b8b9049b7ce88d461595a157ee6d8af1dc31293f1ee03981eb1c5a3ae12deb

Aliases

arxiv: 1901.07955 · arxiv_version: 1901.07955v1 · doi: 10.48550/arxiv.1901.07955 · pith_short_12: O64LSBE3PTUI · pith_short_16: O64LSBE3PTUI2RQV · pith_short_8: O64LSBE3

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/O64LSBE3PTUI2RQVSWQVP3TNRL \
  | 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: 77b8b9049b7ce88d461595a157ee6d8af1dc31293f1ee03981eb1c5a3ae12deb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ce04d8757ccac41b3571b60ff9362e851ef1fb5d15c6032cad08f2970b82fdb",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-01-23T15:37:38Z",
    "title_canon_sha256": "3793dd84c3c1af8e93121f126eab90fc46f13d7c47be7dc6dca28becb1db321c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07955",
    "kind": "arxiv",
    "version": 1
  }
}