Pith Number

pith:3TM4DC7H

pith:2021:3TM4DC7HYKZPH4AY5D3NO74AUJ

not attested not anchored not stored refs pending

Place recognition survey: An update on deep learning approaches

Cristiano Premebida, Lu\'is Garrote, Ricardo Pereira, Tiago Barros, Urbano J. Nunes

arxiv:2106.10458 v3 · 2021-06-19 · 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{3TM4DC7HYKZPH4AY5D3NO74AUJ}

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.

Cited by

1 paper in Pith

OBSER: Object-Based Sub-Environment Recognition for Zero-Shot Environmental Inference

Receipt and verification

First computed	2026-07-05T04:00:53.792921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcd9c18be7c2b2f3f018e8f6d77f80a2428ea848cb387b38109f0e0d270d77e1

Aliases

arxiv: 2106.10458 · arxiv_version: 2106.10458v3 · doi: 10.48550/arxiv.2106.10458 · pith_short_12: 3TM4DC7HYKZP · pith_short_16: 3TM4DC7HYKZPH4AY · pith_short_8: 3TM4DC7H

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/3TM4DC7HYKZPH4AY5D3NO74AUJ \
  | 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: dcd9c18be7c2b2f3f018e8f6d77f80a2428ea848cb387b38109f0e0d270d77e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70e22ab212f3dd5da4e24dfe25b840a1be79b99759ce2ce41a28c1f7cd2f4435",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-06-19T09:17:15Z",
    "title_canon_sha256": "974163ecb0a97026e5c38859eb6ff18c7f68b77dce26db38c700457cae3f7193"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.10458",
    "kind": "arxiv",
    "version": 3
  }
}