Pith Number

pith:WNZK256J

pith:2015:WNZK256JIDEFQYWE2GLB36OB6S

not attested not anchored not stored refs pending

Secrecy Communication with Security Rate Measure

Houqiang Li, Lei Yu, Weiping Li

arxiv:1504.04239 v2 · 2015-04-16 · 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{WNZK256JIDEFQYWE2GLB36OB6S}

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	2026-05-18T02:18:30.907054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b372ad77c940c85862c4d1961df9c1f4ae4f590c0e3073f19e6513e0fb160152

Aliases

arxiv: 1504.04239 · arxiv_version: 1504.04239v2 · doi: 10.48550/arxiv.1504.04239 · pith_short_12: WNZK256JIDEF · pith_short_16: WNZK256JIDEFQYWE · pith_short_8: WNZK256J

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/WNZK256JIDEFQYWE2GLB36OB6S \
  | 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: b372ad77c940c85862c4d1961df9c1f4ae4f590c0e3073f19e6513e0fb160152

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b8b8031e7055cb1819c6cdb8ad9ae6213791d36c50945472edc40c0676b842d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-04-16T14:07:11Z",
    "title_canon_sha256": "12d50953fc9ea1c1b64425084d514cf30954b0dba3f73c35b8b6c77e1713d200"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04239",
    "kind": "arxiv",
    "version": 2
  }
}