Pith Number

pith:BWIL6PLJ

pith:2021:BWIL6PLJTLK3IJPIXQ4QHU5FGF

not attested not anchored not stored refs pending

STA-VPR: Spatio-temporal Alignment for Visual Place Recognition

Baifan Chen, Dezhen Song, Feng Lu, Xiang-Dong Zhou

arxiv:2103.13580 v2 · 2021-03-25 · cs.CV · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BWIL6PLJTLK3IJPIXQ4QHU5FGF}

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	2026-07-05T02:30:32.256428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d90bf3d699ad5b425e8bc3903d3a53168f157f7e0c357eb333dd0db11f56c4d

Aliases

arxiv: 2103.13580 · arxiv_version: 2103.13580v2 · doi: 10.48550/arxiv.2103.13580 · pith_short_12: BWIL6PLJTLK3 · pith_short_16: BWIL6PLJTLK3IJPI · pith_short_8: BWIL6PLJ

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/BWIL6PLJTLK3IJPIXQ4QHU5FGF \
  | 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: 0d90bf3d699ad5b425e8bc3903d3a53168f157f7e0c357eb333dd0db11f56c4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "862b5a3cf8d41863643948bbb0ddf1172dc570944a7d1b370670d470b3aacef0",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-25T03:27:42Z",
    "title_canon_sha256": "2b91ee0e18ab3dec32d4a75cfac0f3cd288218ef36e74955c190702224db4e14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.13580",
    "kind": "arxiv",
    "version": 2
  }
}