Pith Number

pith:2IEQSFGP

pith:2020:2IEQSFGPITXHYI3X3UBQB7SYUS

not attested not anchored not stored refs pending

Pollen13K: A Large Scale Microscope Pollen Grain Image Dataset

Alessandro Ortis, Consolata Siniscalco, Francesca Trenta, Lorenzo Ascari, Mara Politi, Sebastiano Battiato

arxiv:2007.04690 v1 · 2020-07-09 · 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{2IEQSFGPITXHYI3X3UBQB7SYUS}

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	2026-07-05T01:17:32.969838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2090914cf44ee7c2377dd0300fe58a4a3341b0975ad2f89c0057569fff68b28

Aliases

arxiv: 2007.04690 · arxiv_version: 2007.04690v1 · doi: 10.48550/arxiv.2007.04690 · pith_short_12: 2IEQSFGPITXH · pith_short_16: 2IEQSFGPITXHYI3X · pith_short_8: 2IEQSFGP

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/2IEQSFGPITXHYI3X3UBQB7SYUS \
  | 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: d2090914cf44ee7c2377dd0300fe58a4a3341b0975ad2f89c0057569fff68b28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e67bdef3819d93d1f7a2662e01d3d99567c7329672f050cd38eebb813b8a7231",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-07-09T10:33:31Z",
    "title_canon_sha256": "fd1d53edd0a61a3dd6d4f9929a411d33f7ffb9d9dad08622e165d84a395eb8e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.04690",
    "kind": "arxiv",
    "version": 1
  }
}