Pith Number

pith:PXTP4NBI

pith:2018:PXTP4NBICWTEWHIS5K2HZKXBCJ

not attested not anchored not stored refs pending

A Finite Block Length Achievability Bound for Low Probability of Detection Communication

Nick Letzepis

arxiv:1801.05071 v2 · 2018-01-15 · 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{PXTP4NBICWTEWHIS5K2HZKXBCJ}

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	2026-05-18T00:09:36.133270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7de6fe342815a64b1d12eab47caae11264f5f2f535b6c19f91e2c5f3ec85dcfb

Aliases

arxiv: 1801.05071 · arxiv_version: 1801.05071v2 · doi: 10.48550/arxiv.1801.05071 · pith_short_12: PXTP4NBICWTE · pith_short_16: PXTP4NBICWTEWHIS · pith_short_8: PXTP4NBI

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/PXTP4NBICWTEWHIS5K2HZKXBCJ \
  | 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: 7de6fe342815a64b1d12eab47caae11264f5f2f535b6c19f91e2c5f3ec85dcfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2aacd1f2edab2aebdf2beb5c12a1ae80055352c2b1c3a32641cc965680aacbe6",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-01-15T23:54:27Z",
    "title_canon_sha256": "a599e5cdab154022ea508515be018171db1d589dc56b481e1edf2b3603fc5916"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05071",
    "kind": "arxiv",
    "version": 2
  }
}