Pith Number

pith:X76ZOQPP

pith:2015:X76ZOQPPV7O2AACKOM5RQWB4PU

not attested not anchored not stored refs pending

Standard methods for inexpensive pollen loads authentication by means of computer vision and machine learning

Manuel Chica, Pascual Campoy

arxiv:1511.04320 v1 · 2015-11-13 · 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{X76ZOQPPV7O2AACKOM5RQWB4PU}

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	2026-05-18T01:26:59.175783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bffd9741efafdda0004a733b18583c7d0f08935d14af4d5d4b413968b4016393

Aliases

arxiv: 1511.04320 · arxiv_version: 1511.04320v1 · doi: 10.48550/arxiv.1511.04320 · pith_short_12: X76ZOQPPV7O2 · pith_short_16: X76ZOQPPV7O2AACK · pith_short_8: X76ZOQPP

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/X76ZOQPPV7O2AACKOM5RQWB4PU \
  | 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: bffd9741efafdda0004a733b18583c7d0f08935d14af4d5d4b413968b4016393

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34304b35bbb043676aeb66e8cc6d7d3510d328e2715a5184e4bfbd226c7903d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-11-13T15:35:22Z",
    "title_canon_sha256": "892eea4c76ed4005bf35978feb5a1f8c75b4329000307481c84d84827b19f009"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.04320",
    "kind": "arxiv",
    "version": 1
  }
}