Pith Number

pith:3IKRTJ2I

pith:2017:3IKRTJ2I6P4KOC7IDZVIFXT24A

not attested not anchored not stored refs pending

Partially Occluded Leaf Recognition via Subgraph Matching and Energy Optimization

Ayan Chaudhury, John L. Barron

arxiv:1704.08778 v2 · 2017-04-28 · 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{3IKRTJ2I6P4KOC7IDZVIFXT24A}

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	2026-05-18T00:40:57.821182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da1519a748f3f8a70be81e6a82de7ae0208f8bea362c98701708684650d9f447

Aliases

arxiv: 1704.08778 · arxiv_version: 1704.08778v2 · doi: 10.48550/arxiv.1704.08778 · pith_short_12: 3IKRTJ2I6P4K · pith_short_16: 3IKRTJ2I6P4KOC7I · pith_short_8: 3IKRTJ2I

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/3IKRTJ2I6P4KOC7IDZVIFXT24A \
  | 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: da1519a748f3f8a70be81e6a82de7ae0208f8bea362c98701708684650d9f447

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddc7b684fbba881feb2facb0f17fb30fbc2115d602bff11a2339ffb79676dc8b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-04-28T00:15:49Z",
    "title_canon_sha256": "1dd551d6ffe1c10e79cdbd0aca5a3f87389a4402aea5af3290d670bf16d7feda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08778",
    "kind": "arxiv",
    "version": 2
  }
}