Pith Number

pith:DK2DHG4W

pith:2010:DK2DHG4WDAAR7NOOUSUGFE7LJ5

not attested not anchored not stored refs pending

Miniature photonic-crystal hydrophone optimized for ocean acoustics

Gordon S. Kino, Michel J. F. Digonnet, Olav Solgaard, Onur Kilic

arxiv:1004.2742 v2 · 2010-04-16 · physics.ins-det · physics.ao-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DK2DHG4WDAAR7NOOUSUGFE7LJ5}

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	2026-05-18T02:08:04.992442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ab4339b9618011fb5cea4a86293eb4f46a9f0f20d800e8db0bbbced66164952

Aliases

arxiv: 1004.2742 · arxiv_version: 1004.2742v2 · doi: 10.48550/arxiv.1004.2742 · pith_short_12: DK2DHG4WDAAR · pith_short_16: DK2DHG4WDAAR7NOO · pith_short_8: DK2DHG4W

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/DK2DHG4WDAAR7NOOUSUGFE7LJ5 \
  | 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: 1ab4339b9618011fb5cea4a86293eb4f46a9f0f20d800e8db0bbbced66164952

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9899935cc08bb4ce9305a13143fc27bdf33c3183e49a4921f6c3b1455a4bc0f",
    "cross_cats_sorted": [
      "physics.ao-ph",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2010-04-16T01:30:11Z",
    "title_canon_sha256": "cbd43d62530fec065dd2627bdad20e1af185b9d34dcc7ccbe3b58451849827d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.2742",
    "kind": "arxiv",
    "version": 2
  }
}