Pith Number

pith:5JQ3UPX3

pith:2025:5JQ3UPX3PW5XRXPXEZVV44ES4H

not attested not anchored not stored refs pending

Covert Communication over Physically-Degraded Alarm Two-Way Channels

Aria Nosratinia, Matthieu Bloch, Tuna Erdo\u{g}an, Tyler Kann

arxiv:2506.16581 v1 · 2025-06-19 · 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{5JQ3UPX3PW5XRXPXEZVV44ES4H}

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	2026-07-05T11:24:39.012865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea61ba3efb7dbb78ddf7266b5e7092e1c054f1752e0597e02e0e86f71a0c38cc

Aliases

arxiv: 2506.16581 · arxiv_version: 2506.16581v1 · doi: 10.48550/arxiv.2506.16581 · pith_short_12: 5JQ3UPX3PW5X · pith_short_16: 5JQ3UPX3PW5XRXPX · pith_short_8: 5JQ3UPX3

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/5JQ3UPX3PW5XRXPXEZVV44ES4H \
  | 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: ea61ba3efb7dbb78ddf7266b5e7092e1c054f1752e0597e02e0e86f71a0c38cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dde23dfcac17a979fa1e0ad901a956ae99c229a3b52b837f0b3f9444c992f8b",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2025-06-19T20:12:32Z",
    "title_canon_sha256": "2b75efbcca53ed5f829704ba86bff35683721f2be8321d2ddcacb8fa9f9452e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.16581",
    "kind": "arxiv",
    "version": 1
  }
}