Pith Number

pith:F32KEVSR

pith:2019:F32KEVSR3H6ICKBCYIG3KEJJYN

not attested not anchored not stored refs pending

Deep learning approach to description and classification of fungi microscopic images

Adam Piekarczyk, Agnieszka Sroka-Oleksiak, Bartosz Zieli\'nski, Dawid Rymarczyk, Monika Brzychczy-W{\l}och

arxiv:1906.09449 v3 · 2019-06-22 · cs.CV · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F32KEVSR3H6ICKBCYIG3KEJJYN}

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	2026-07-05T01:42:12.421814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ef4a25651d9fc812822c20db51129c362bfde302e75510ff87723dba19e40fd

Aliases

arxiv: 1906.09449 · arxiv_version: 1906.09449v3 · doi: 10.48550/arxiv.1906.09449 · pith_short_12: F32KEVSR3H6I · pith_short_16: F32KEVSR3H6ICKBC · pith_short_8: F32KEVSR

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/F32KEVSR3H6ICKBCYIG3KEJJYN \
  | 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: 2ef4a25651d9fc812822c20db51129c362bfde302e75510ff87723dba19e40fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0500902cf3953a7f16dd3fa1a5e31d8aefdb1504416143c6cf950f8acf80cd5b",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-06-22T14:00:51Z",
    "title_canon_sha256": "d202e60f2e4be27c09cdf3d6e46064c3b97409aab5eb30675fde950db5b0d33f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.09449",
    "kind": "arxiv",
    "version": 3
  }
}