Pith Number

pith:7KHMWI67

pith:2019:7KHMWI67XIS7ZRYKOHQ4AL4J7C

not attested not anchored not stored refs pending

Using Orthophoto for Building Boundary Sharpening in the Digital Surface Model

Rongjun Qin, Xiaohu Lu, Xu Huang

arxiv:1905.09150 v1 · 2019-05-22 · 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{7KHMWI67XIS7ZRYKOHQ4AL4J7C}

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	2026-05-17T23:45:21.858690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa8ecb23dfba25fcc70a71e1c02f89f898a859fa0ed1bd91828a1dbf381983c0

Aliases

arxiv: 1905.09150 · arxiv_version: 1905.09150v1 · doi: 10.48550/arxiv.1905.09150 · pith_short_12: 7KHMWI67XIS7 · pith_short_16: 7KHMWI67XIS7ZRYK · pith_short_8: 7KHMWI67

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/7KHMWI67XIS7ZRYKOHQ4AL4J7C \
  | 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: fa8ecb23dfba25fcc70a71e1c02f89f898a859fa0ed1bd91828a1dbf381983c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06919af2fcec35070d2eea169514145f856015dc21c9fc04887b8077619b609c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-05-22T14:02:58Z",
    "title_canon_sha256": "f5159fbaa321b2033c376a5b9e516b0f9ba1405f16926fa5fe7d791b6b62b241"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09150",
    "kind": "arxiv",
    "version": 1
  }
}