Pith Number

pith:WL7MG2AL

pith:2020:WL7MG2ALQANIAJBOMV6MYPUH35

not attested not anchored not stored refs pending

An Efficient Planar Bundle Adjustment Algorithm

Daniel Koppel, Frank Steinbruecker, Hui Ju, Lipu Zhou, Michael Kaess

arxiv:2006.00187 v2 · 2020-05-30 · cs.CV · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WL7MG2ALQANIAJBOMV6MYPUH35}

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	2026-07-05T01:27:24.005254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2fec3680b801a80242e657ccc3e87df6389d5376bd75bdd04da05e5e2beb381

Aliases

arxiv: 2006.00187 · arxiv_version: 2006.00187v2 · doi: 10.48550/arxiv.2006.00187 · pith_short_12: WL7MG2ALQANI · pith_short_16: WL7MG2ALQANIAJBO · pith_short_8: WL7MG2AL

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/WL7MG2ALQANIAJBOMV6MYPUH35 \
  | 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: b2fec3680b801a80242e657ccc3e87df6389d5376bd75bdd04da05e5e2beb381

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d32833978bb09b5bf07f4f898559921d8c2501406dadb11e4028c9ea19f80fa",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-05-30T05:54:22Z",
    "title_canon_sha256": "c049c5efdfb50851d1d4058540093b61ba86ab2955debf5e1b0c4f6674852ed2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.00187",
    "kind": "arxiv",
    "version": 2
  }
}