Pith Number

pith:VV25RKWJ

pith:2025:VV25RKWJFOW7DINAWS7FKSV6IJ

not attested not anchored not stored refs pending

Counting Fish with Temporal Representations of Sonar Video

Grant Van Horn, Justin Kay, Kai Van Brunt, Pietro Perona, Sara Beery, Timm Haucke

arxiv:2502.05129 v1 · 2025-02-07 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VV25RKWJFOW7DINAWS7FKSV6IJ}

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	2026-07-05T10:11:09.658064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad75d8aac92badf1a1a0b4be554abe427446855ba2f97baca55f5b73850c3dd0

Aliases

arxiv: 2502.05129 · arxiv_version: 2502.05129v1 · doi: 10.48550/arxiv.2502.05129 · pith_short_12: VV25RKWJFOW7 · pith_short_16: VV25RKWJFOW7DINA · pith_short_8: VV25RKWJ

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/VV25RKWJFOW7DINAWS7FKSV6IJ \
  | 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: ad75d8aac92badf1a1a0b4be554abe427446855ba2f97baca55f5b73850c3dd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "839d4041bf6324cff4cfeb4dcc90a9f7c90e10b1d7b21d402c1198b5f8970587",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-02-07T18:02:28Z",
    "title_canon_sha256": "7988909f273e95116b846fa72ce451afc911ec713b8967645e550b7675618771"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.05129",
    "kind": "arxiv",
    "version": 1
  }
}