Pith Number

pith:O7X6G7JK

pith:2015:O7X6G7JKBP6THV5JZCJDDMIAYY

not attested not anchored not stored refs pending

Compute-and-Forward Can Buy Secrecy Cheap

Parisa Babaheidarian, Somayeh Salimi

arxiv:1504.05862 v1 · 2015-04-22 · cs.CR · 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{O7X6G7JKBP6THV5JZCJDDMIAYY}

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	2026-05-18T02:18:04.845681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77efe37d2a0bfd33d7a9c89231b100c609c7107e792885b27214950138a142ad

Aliases

arxiv: 1504.05862 · arxiv_version: 1504.05862v1 · doi: 10.48550/arxiv.1504.05862 · pith_short_12: O7X6G7JKBP6T · pith_short_16: O7X6G7JKBP6THV5J · pith_short_8: O7X6G7JK

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/O7X6G7JKBP6THV5JZCJDDMIAYY \
  | 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: 77efe37d2a0bfd33d7a9c89231b100c609c7107e792885b27214950138a142ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be9b61ec282b200f198db7b77c72f5200172a795f7c0926c41ae237e7cef429b",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2015-04-22T16:25:54Z",
    "title_canon_sha256": "3ce4ce8150195939a5528c5cbce2f9d2b994bed999b9f92c968dc510bc79db7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05862",
    "kind": "arxiv",
    "version": 1
  }
}