Pith Number

pith:LJKUNFMD

pith:2023:LJKUNFMDUH7URDWRPCJWTTJDPB

not attested not anchored not stored refs pending

Distributed Global Structure-from-Motion with a Deep Front-End

Akshay Krishnan, Ayush Baid, Frank Dellaert, Hayk Stepanyan, John Lambert, Travis Driver

arxiv:2311.18801 v1 · 2023-11-30 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LJKUNFMDUH7URDWRPCJWTTJDPB}

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	2026-07-05T07:18:46.712860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a55469583a1ff488ed1789369cd237869cbf2a98ce9c528394b8f22c2506ec7

Aliases

arxiv: 2311.18801 · arxiv_version: 2311.18801v1 · doi: 10.48550/arxiv.2311.18801 · pith_short_12: LJKUNFMDUH7U · pith_short_16: LJKUNFMDUH7URDWR · pith_short_8: LJKUNFMD

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/LJKUNFMDUH7URDWRPCJWTTJDPB \
  | 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: 5a55469583a1ff488ed1789369cd237869cbf2a98ce9c528394b8f22c2506ec7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a75bebb972f9e317a04fd5dd7888f6b51e92c566fc44e64829b3b9ff6e471f63",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-11-30T18:47:18Z",
    "title_canon_sha256": "e792c1db752d60714632537335c780aa338ebb6c41c45df362c8c6f3500f58a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2311.18801",
    "kind": "arxiv",
    "version": 1
  }
}