Pith Number

pith:HPIICMLI

pith:2021:HPIICMLIRVNSANTKLHAHEQZKY6

not attested not anchored not stored refs pending

Change Detection Meets Visual Question Answering

Lichao Mou, Xiaoxiang Zhu, Zhenghang Yuan, Zhitong Xiong

arxiv:2112.06343 v2 · 2021-12-12 · 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{HPIICMLIRVNSANTKLHAHEQZKY6}

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	2026-07-05T05:22:42.409971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bd08131688d5b20366a59c072432ac79d3d7c5e69b02fc692c638d19d76ce88

Aliases

arxiv: 2112.06343 · arxiv_version: 2112.06343v2 · doi: 10.48550/arxiv.2112.06343 · pith_short_12: HPIICMLIRVNS · pith_short_16: HPIICMLIRVNSANTK · pith_short_8: HPIICMLI

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/HPIICMLIRVNSANTKLHAHEQZKY6 \
  | 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: 3bd08131688d5b20366a59c072432ac79d3d7c5e69b02fc692c638d19d76ce88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1653e4e4000b0d069b8eff3036ab39add423455804ca1fa91ddd7c96f6f8830",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-12-12T22:39:20Z",
    "title_canon_sha256": "73763643b2a0387559d9261d839e901adb355ca736a045a8d7a39d319db7c7a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.06343",
    "kind": "arxiv",
    "version": 2
  }
}