Pith Number

pith:5RP2RMV4

pith:2013:5RP2RMV4UKDEBW5JO5VVYM6DPW

not attested not anchored not stored refs pending

Effective Secrecy: Reliability, Confusion and Stealth

Gerhard Kramer, Jie Hou

arxiv:1311.1411 v3 · 2013-11-06 · cs.IT · cs.CR · 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{5RP2RMV4UKDEBW5JO5VVYM6DPW}

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	2026-05-18T03:01:13.335169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec5fa8b2bca28640dba9776b5c33c37da811bbf4195ceeca383ce9462d50315f

Aliases

arxiv: 1311.1411 · arxiv_version: 1311.1411v3 · doi: 10.48550/arxiv.1311.1411 · pith_short_12: 5RP2RMV4UKDE · pith_short_16: 5RP2RMV4UKDEBW5J · pith_short_8: 5RP2RMV4

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/5RP2RMV4UKDEBW5JO5VVYM6DPW \
  | 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: ec5fa8b2bca28640dba9776b5c33c37da811bbf4195ceeca383ce9462d50315f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41b6080afe87c93b5a37bc949db87b1e3b21371cb84b4698dc9fdfe3923c6ca0",
    "cross_cats_sorted": [
      "cs.CR",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-11-06T14:51:48Z",
    "title_canon_sha256": "64c839a4aee6f6c8561677a3b42bb68a115f6371863c02ca9b78bff1145b7151"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1411",
    "kind": "arxiv",
    "version": 3
  }
}