Pith Number

pith:P5NWTLFI

pith:2019:P5NWTLFIBZFBLRBNJITBZFB2WY

not attested not anchored not stored refs pending

Secret key distillation across a quantum wiretap channel under restricted eavesdropping

Ivan B. Djordjevic, Jeffrey H. Shapiro, Kaushik P. Seshadreesan, Mark R. Adcock, Saikat Guha, William Clark, Ziwen Pan

arxiv:1903.03136 v4 · 2019-03-07 · cs.IT · math.IT · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P5NWTLFIBZFBLRBNJITBZFB2WY}

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	2026-07-05T01:30:20.519348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f5b69aca80e4a15c42d4a261c943ab625efda20d9863c3994a5aea6d8016f42

Aliases

arxiv: 1903.03136 · arxiv_version: 1903.03136v4 · doi: 10.48550/arxiv.1903.03136 · pith_short_12: P5NWTLFIBZFB · pith_short_16: P5NWTLFIBZFBLRBN · pith_short_8: P5NWTLFI

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/P5NWTLFIBZFBLRBNJITBZFB2WY \
  | 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: 7f5b69aca80e4a15c42d4a261c943ab625efda20d9863c3994a5aea6d8016f42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "185d056d9606850f36222e393c00db70fd2e1867afad73f2db78e52f4408ca5d",
    "cross_cats_sorted": [
      "math.IT",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-03-07T19:28:30Z",
    "title_canon_sha256": "8c89345285144e1bd62d36ea3ceec01f72b7f0de19db015bc2be807a37524b56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.03136",
    "kind": "arxiv",
    "version": 4
  }
}