Pith Number

pith:3FVR6MAK

pith:2022:3FVR6MAK6US4ZNCHHK557G54DL

not attested not anchored not stored refs pending

Echofilter: A Deep Learning Segmentation Model Improves the Automation, Standardization, and Timeliness for Post-Processing Echosounder Data in Tidal Energy Streams

Christopher Whidden, Daniel J. Hasselman, Jason Newport, Jessica Douglas, Louise P. McGarry, Sageev Oore, Scott C. Lowe

arxiv:2202.09648 v2 · 2022-02-19 · cs.LG · cs.CV · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3FVR6MAK6US4ZNCHHK557G54DL}

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	2026-07-05T04:49:43.977495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d96b1f300af525ccb4473abbdf9bbc1ad18f2bcfbfe87b41b78fc7344c9f4540

Aliases

arxiv: 2202.09648 · arxiv_version: 2202.09648v2 · doi: 10.48550/arxiv.2202.09648 · pith_short_12: 3FVR6MAK6US4 · pith_short_16: 3FVR6MAK6US4ZNCH · pith_short_8: 3FVR6MAK

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/3FVR6MAK6US4ZNCHHK557G54DL \
  | 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: d96b1f300af525ccb4473abbdf9bbc1ad18f2bcfbfe87b41b78fc7344c9f4540

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f79453f7c2f8f3fd4716da1c1f54214a7aa12243a6ecb0f47de387e38a2ccc5c",
    "cross_cats_sorted": [
      "cs.CV",
      "eess.SP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-02-19T17:26:46Z",
    "title_canon_sha256": "4a3c7f17e96e45c38b6b3e8d3b001b4e42cff74da5853e227c267b46f69b9163"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.09648",
    "kind": "arxiv",
    "version": 2
  }
}