Pith Number

pith:HGJKL3T4

pith:2026:HGJKL3T47AYLWQVPPCFYRXLLLU

not attested not anchored not stored refs pending

iVISION-2DCD: A Long-Term Change Detection Dataset for Large-Scale Outdoor Construction Monitoring

Alexander Wong, Ashkan Ebadi, Dayou Mao, John Zelek, Yuchen Lin, Yuhao Chen

arxiv:2607.03553 v1 · 2026-07-03 · cs.CV · cs.RO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HGJKL3T47AYLWQVPPCFYRXLLLU}

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	2026-07-07T02:17:53.493800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3992a5ee7cf830bb42af788b88dd6b5d1b587a3c4b2c792c44726bcdff01a0d9

Aliases

arxiv: 2607.03553 · arxiv_version: 2607.03553v1 · doi: 10.48550/arxiv.2607.03553 · pith_short_12: HGJKL3T47AYL · pith_short_16: HGJKL3T47AYLWQVP · pith_short_8: HGJKL3T4

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/HGJKL3T47AYLWQVPPCFYRXLLLU \
  | 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: 3992a5ee7cf830bb42af788b88dd6b5d1b587a3c4b2c792c44726bcdff01a0d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f62e2e870f236af168610d5c4867e3635f13071a023a7709bd00ef04dbf8bcd7",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-07-03T18:29:13Z",
    "title_canon_sha256": "322b88e883fdc110d587cc49a65553ee76abe77cf1ff3150884926eff15c9ebc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.03553",
    "kind": "arxiv",
    "version": 1
  }
}