Pith Number

pith:RX3KT7DV

pith:2017:RX3KT7DVLOP4UZYOJFMIYHXYDT

not attested not anchored not stored refs pending

Beyond SIFT using Binary features for Loop Closure Detection

Guyue Zhou, Lan Xu, Lei Han, Lu Fang

arxiv:1709.05833 v1 · 2017-09-18 · 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{RX3KT7DVLOP4UZYOJFMIYHXYDT}

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	2026-05-18T00:34:59.200880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8df6a9fc755b9fca670e49588c1ef81ceca327e400a41bece4bcf3ea2954d0a7

Aliases

arxiv: 1709.05833 · arxiv_version: 1709.05833v1 · doi: 10.48550/arxiv.1709.05833 · pith_short_12: RX3KT7DVLOP4 · pith_short_16: RX3KT7DVLOP4UZYO · pith_short_8: RX3KT7DV

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/RX3KT7DVLOP4UZYOJFMIYHXYDT \
  | 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: 8df6a9fc755b9fca670e49588c1ef81ceca327e400a41bece4bcf3ea2954d0a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a79a922dee0fe9a38c8badf9af1cd320a268e3148d5bd1fb718f9391e2c459f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-09-18T09:36:13Z",
    "title_canon_sha256": "1834887a42d20f3928f1cd3a4659c75b82c586acfe7d189be1a95e86b681a362"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.05833",
    "kind": "arxiv",
    "version": 1
  }
}