Pith Number

pith:2EV3KGEP

pith:2025:2EV3KGEPJCBBVUUIDCVWGISKIE

not attested not anchored not stored refs pending

A Multi-purpose Tracking Framework for Salmon Welfare Monitoring in Challenging Environments

Annette Stahl, Christian Schellewald, Espen Uri H{\o}gstedt, Rudolf Mester

arxiv:2509.25969 v1 · 2025-09-30 · 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{2EV3KGEPJCBBVUUIDCVWGISKIE}

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	2026-05-20T00:04:14.026637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d12bb5188f48821ad28818ab63224a413c274e8c21d5888858647a09b80b534f

Aliases

arxiv: 2509.25969 · arxiv_version: 2509.25969v1 · doi: 10.48550/arxiv.2509.25969 · pith_short_12: 2EV3KGEPJCBB · pith_short_16: 2EV3KGEPJCBBVUUI · pith_short_8: 2EV3KGEP

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/2EV3KGEPJCBBVUUIDCVWGISKIE \
  | 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: d12bb5188f48821ad28818ab63224a413c274e8c21d5888858647a09b80b534f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "850a80f18b8c7fcb704c6450aa42e3cf815d011471e0756d0728629d8aca15ee",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-09-30T09:05:07Z",
    "title_canon_sha256": "008ff3dc6dedb3407461e6bd9e756befa4f9a4d1722c1407c9d9dbfef8104782"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.25969",
    "kind": "arxiv",
    "version": 1
  }
}