Pith Number

pith:R356ORII

pith:2009:R356ORIII4BQAYSVLKOQD3DCCQ

not attested not anchored not stored refs pending

On Optimal Secure Message Transmission by Public Discussion

Hongsong Shi, Mohammed Ashraful Tuhin, Rei Safavi-Naini, Shaoquan Jiang

arxiv:0901.2192 v2 · 2009-01-15 · 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{R356ORIII4BQAYSVLKOQD3DCCQ}

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	2026-07-04T16:37:19.699904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8efbe7450847030062555a9d01ec62140647fe74212ce9f6dd73724f7b4db9b0

Aliases

arxiv: 0901.2192 · arxiv_version: 0901.2192v2 · doi: 10.48550/arxiv.0901.2192 · pith_short_12: R356ORIII4BQ · pith_short_16: R356ORIII4BQAYSV · pith_short_8: R356ORII

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/R356ORIII4BQAYSVLKOQD3DCCQ \
  | 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: 8efbe7450847030062555a9d01ec62140647fe74212ce9f6dd73724f7b4db9b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f615c5f6343c69a9f2a37d9b3f621b4ddbf2d67c19381ea5886577f77b06de9",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2009-01-15T07:01:24Z",
    "title_canon_sha256": "3f2126d906542afbc3d98d7429fe20fdfe901b323363e5d71c1187c9e9740305"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.2192",
    "kind": "arxiv",
    "version": 2
  }
}