Pith Number

pith:YSUQIXVQ

pith:2011:YSUQIXVQAKBSSPUMAYDTAFRZST

not attested not anchored not stored refs pending

Random matrix theory for underwater sound propagation

Katherine C. Hegewisch, Steven Tomsovic

arxiv:1104.3975 v3 · 2011-04-20 · physics.ao-ph · math-ph · math.MP · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YSUQIXVQAKBSSPUMAYDTAFRZST}

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	2026-05-18T02:02:22.163902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4a9045eb00283293e8c060730163994ffa7543d860f7c0625cee9828d943cc8

Aliases

arxiv: 1104.3975 · arxiv_version: 1104.3975v3 · doi: 10.48550/arxiv.1104.3975 · pith_short_12: YSUQIXVQAKBS · pith_short_16: YSUQIXVQAKBSSPUM · pith_short_8: YSUQIXVQ

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/YSUQIXVQAKBSSPUMAYDTAFRZST \
  | 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: c4a9045eb00283293e8c060730163994ffa7543d860f7c0625cee9828d943cc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce8858e81cc5451b1c9736a0d73dc44fd09bf1aa3f58713334f966bdadc3cda4",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2011-04-20T09:14:04Z",
    "title_canon_sha256": "28492a4f1627cfa8bdb71f07786e20ed19cccb142f801768ce3a7ce663dae199"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.3975",
    "kind": "arxiv",
    "version": 3
  }
}