Pith Number

pith:7MXWSR4B

pith:2020:7MXWSR4BZVPPB35TMJ7ZQELCGF

not attested not anchored not stored refs pending

RPM-Net: Robust Point Matching using Learned Features

Gim Hee Lee, Zi Jian Yew

arxiv:2003.13479 v1 · 2020-03-30 · 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{7MXWSR4BZVPPB35TMJ7ZQELCGF}

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	2026-07-05T02:26:26.248964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb2f694781cd5ef0efb3627f981162316379f7f4262e651a154ba9dd6ac25c5f

Aliases

arxiv: 2003.13479 · arxiv_version: 2003.13479v1 · doi: 10.48550/arxiv.2003.13479 · pith_short_12: 7MXWSR4BZVPP · pith_short_16: 7MXWSR4BZVPPB35T · pith_short_8: 7MXWSR4B

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/7MXWSR4BZVPPB35TMJ7ZQELCGF \
  | 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: fb2f694781cd5ef0efb3627f981162316379f7f4262e651a154ba9dd6ac25c5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3ed467a887d0fdefcfb0c0e9bbc988017476b5bc248747b4c504afaca405bf3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-03-30T13:45:27Z",
    "title_canon_sha256": "dd805f17f28a520bf1b325205bcff0fee8a9fdb506e912c8d6c3ea38f39cf624"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.13479",
    "kind": "arxiv",
    "version": 1
  }
}