Pith Number

pith:UUBPNBQJ

pith:2022:UUBPNBQJAAKHGH753XC2K7OE7B

not attested not anchored not stored refs pending

From a few Accurate 2D Correspondences to 3D Point Clouds

Ping Li, Trung-Kien Le

arxiv:2206.08749 v1 · 2022-06-13 · 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{UUBPNBQJAAKHGH753XC2K7OE7B}

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	2026-07-05T04:32:42.939298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a502f686090014731ffdddc5a57dc4f84252fce86695aec9480666e803595cc4

Aliases

arxiv: 2206.08749 · arxiv_version: 2206.08749v1 · doi: 10.48550/arxiv.2206.08749 · pith_short_12: UUBPNBQJAAKH · pith_short_16: UUBPNBQJAAKHGH75 · pith_short_8: UUBPNBQJ

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/UUBPNBQJAAKHGH753XC2K7OE7B \
  | 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: a502f686090014731ffdddc5a57dc4f84252fce86695aec9480666e803595cc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9cb69693503e46d691167ecd57090beef6219ae4339c7ea721db3c9bec4861c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-06-13T16:15:53Z",
    "title_canon_sha256": "d2a181894f0a9cb04055c3a4d66d5c0aa71fe62d24d0c2300f06472be8a95c61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.08749",
    "kind": "arxiv",
    "version": 1
  }
}