Pith Number

pith:5SVAOR6X

pith:2025:5SVAOR6X4KN7BQUHCPQQAADJ4U

not attested not anchored not stored refs pending

OptimOTU: Taxonomically aware OTU clustering with optimized thresholds and a bioinformatics workflow for metabarcoding data

Brendan Furneaux, Jenni Hultman, Nerea Abrego, Otso Ovaskainen, Panu Somervuo, Sten Anslan, Tomas Roslin

arxiv:2502.10350 v1 · 2025-02-14 · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5SVAOR6X4KN7BQUHCPQQAADJ4U}

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	2026-07-05T10:14:32.956833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecaa0747d7e29bf0c28713e1000069e51790ef791e85345056355990a04907de

Aliases

arxiv: 2502.10350 · arxiv_version: 2502.10350v1 · doi: 10.48550/arxiv.2502.10350 · pith_short_12: 5SVAOR6X4KN7 · pith_short_16: 5SVAOR6X4KN7BQUH · pith_short_8: 5SVAOR6X

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/5SVAOR6X4KN7BQUHCPQQAADJ4U \
  | 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: ecaa0747d7e29bf0c28713e1000069e51790ef791e85345056355990a04907de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1e53e592392cd241bf1fcf6a2a87424c77df9563f2d14653d249cd422b9f960",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2025-02-14T18:30:08Z",
    "title_canon_sha256": "088d8a06db7b6e1311a1d614926a541ef0bfcf9bb88e3eed58e50a3db47668a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.10350",
    "kind": "arxiv",
    "version": 1
  }
}