Pith Number

pith:FQEP62B6

pith:2019:FQEP62B6JKMC6LRNODPJCT5WZ2

not attested not anchored not stored refs pending

A Capacity-achieving One-message Key Agreement With Finite Blocklength Analysis

Alireza Poostindouz, Reihaneh Safavi-Naini, Setareh Sharifian

arxiv:1905.04280 v2 · 2019-05-10 · 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{FQEP62B6JKMC6LRNODPJCT5WZ2}

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	2026-07-05T00:46:02.906969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c08ff683e4a982f2e2d70de914fb6ce94a4f577033bcf3a06bafdad0cf75fde

Aliases

arxiv: 1905.04280 · arxiv_version: 1905.04280v2 · doi: 10.48550/arxiv.1905.04280 · pith_short_12: FQEP62B6JKMC · pith_short_16: FQEP62B6JKMC6LRN · pith_short_8: FQEP62B6

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/FQEP62B6JKMC6LRNODPJCT5WZ2 \
  | 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: 2c08ff683e4a982f2e2d70de914fb6ce94a4f577033bcf3a06bafdad0cf75fde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b0bf44f9da96ded82306137ecd360b8ef4ec08c7c97bb894c049e5647f7fc8e",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-05-10T17:39:34Z",
    "title_canon_sha256": "a7e8ba5eec71506620b6acb28a51ac228b70de5ea7f7bad043ae45a781696f67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.04280",
    "kind": "arxiv",
    "version": 2
  }
}