Pith Number

pith:5NGKGYCS

pith:2021:5NGKGYCSZIOHRDPNEHFK5SHOLB

not attested not anchored not stored refs pending

FCCDN: Feature Constraint Network for VHR Image Change Detection

Baipeng Li, Bing Zhang, Danfeng Hong, Pan Chen, Xuan Yang, Zhengchao Chen

arxiv:2105.10860 v2 · 2021-05-23 · 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{5NGKGYCSZIOHRDPNEHFK5SHOLB}

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	2026-07-05T03:10:54.006915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb4ca36052ca1c788ded21caaec8ee5850af157204537bddd5f996c9705d5d37

Aliases

arxiv: 2105.10860 · arxiv_version: 2105.10860v2 · doi: 10.48550/arxiv.2105.10860 · pith_short_12: 5NGKGYCSZIOH · pith_short_16: 5NGKGYCSZIOHRDPN · pith_short_8: 5NGKGYCS

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/5NGKGYCSZIOHRDPNEHFK5SHOLB \
  | 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: eb4ca36052ca1c788ded21caaec8ee5850af157204537bddd5f996c9705d5d37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3933f0042e1e1de175c0c1123744c5883dccf6fdf5c4f4ea4db77686a0610f0b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-05-23T06:13:47Z",
    "title_canon_sha256": "486e93f7f023c7eaea0888fd0fadaf0490b3ab5a9443e33377ff0799309f1c48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.10860",
    "kind": "arxiv",
    "version": 2
  }
}