Pith Number

pith:SGGP7LYT

pith:2008:SGGP7LYTO7E2QZDEHH7UBPSH7P

not attested not anchored not stored refs pending

On the Relationship between Transmission Power and Capacity of an Underwater Acoustic Communication Channel

Daniel E. Lucani, Milica Stojanovic, Muriel M\'edard

arxiv:0801.0426 v1 · 2008-01-02 · 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{SGGP7LYTO7E2QZDEHH7UBPSH7P}

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	2026-05-18T00:58:25.803399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

918cffaf1377c9a8646439ff40be47fbf60e08b32d4f8c69f743951c034b40ad

Aliases

arxiv: 0801.0426 · arxiv_version: 0801.0426v1 · doi: 10.48550/arxiv.0801.0426 · pith_short_12: SGGP7LYTO7E2 · pith_short_16: SGGP7LYTO7E2QZDE · pith_short_8: SGGP7LYT

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/SGGP7LYTO7E2QZDEHH7UBPSH7P \
  | 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: 918cffaf1377c9a8646439ff40be47fbf60e08b32d4f8c69f743951c034b40ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3226e66f36cb20360c380203ee7e5170c050e7ee7784b88d60ee9e5a1af795a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2008-01-02T19:52:50Z",
    "title_canon_sha256": "70911b39650cde5c93ac5f1c38ee59934d80c4a4cdb28afc0152e3dc534ad42e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.0426",
    "kind": "arxiv",
    "version": 1
  }
}