Pith Number

pith:FIPJBGH5

pith:2026:FIPJBGH5EWHNUE4C64ETLTY4EJ

not attested not anchored not stored refs pending

Smartphone-based Circular Plot Sampling for Forest Inventory

Jui-Cheng Chiu, Nabin Khanal, Songlin Fei, Su Sun, Yingjie Victor Chen

arxiv:2605.19213 v1 · 2026-05-19 · 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{FIPJBGH5EWHNUE4C64ETLTY4EJ}

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	2026-05-20T01:05:33.862950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a1e9098fd258eda1382f70935cf1c227dc1c745cb52ae715d409fd3f338ee1a

Aliases

arxiv: 2605.19213 · arxiv_version: 2605.19213v1 · doi: 10.48550/arxiv.2605.19213 · pith_short_12: FIPJBGH5EWHN · pith_short_16: FIPJBGH5EWHNUE4C · pith_short_8: FIPJBGH5

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/FIPJBGH5EWHNUE4C64ETLTY4EJ \
  | 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: 2a1e9098fd258eda1382f70935cf1c227dc1c745cb52ae715d409fd3f338ee1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc1beeb8f972243116df95288be2a5a12caeb0952cadc9c8c2e4669f4eaa62c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-05-19T00:30:22Z",
    "title_canon_sha256": "9275a2fa104b4bed420826300872eecfe06eedabb73c24b9b57b7606e0e59db4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19213",
    "kind": "arxiv",
    "version": 1
  }
}