Pith Number

pith:CIRIHM6C

pith:2018:CIRIHM6CZMU3TXMGQWXFXPB77U

not attested not anchored not stored refs pending

Taxon and trait recognition from digitized herbarium specimens using deep convolutional neural networks

Bernhard Seeger, Claus Weiland, Marco Schmidt, Robert Hoehndorf, Sohaib Younis, Stefan Dressler, Thomas Hickler

arxiv:1803.07892 v1 · 2018-03-21 · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CIRIHM6CZMU3TXMGQWXFXPB77U}

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	2026-05-18T00:20:28.614137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

122283b3c2cb29b9dd8685ae5bbc3ffd2bdf4dd0026bffde384046d9c68f0f64

Aliases

arxiv: 1803.07892 · arxiv_version: 1803.07892v1 · doi: 10.48550/arxiv.1803.07892 · pith_short_12: CIRIHM6CZMU3 · pith_short_16: CIRIHM6CZMU3TXMG · pith_short_8: CIRIHM6C

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/CIRIHM6CZMU3TXMGQWXFXPB77U \
  | 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: 122283b3c2cb29b9dd8685ae5bbc3ffd2bdf4dd0026bffde384046d9c68f0f64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66d4aa8a3d8cdf2bf0776fd602a6e9347e3788e286c786ca5cca1c1d1408f94b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2018-03-21T12:57:59Z",
    "title_canon_sha256": "acbc5dfcf6ed9dc8ed1941a0af017ff5cf1dcbdc361bb27173c384818aa45237"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07892",
    "kind": "arxiv",
    "version": 1
  }
}