Pith Number

pith:7RYIFOLY

pith:2021:7RYIFOLYBVDN4WCDZPD5BE2AS4

not attested not anchored not stored refs pending

Continual Learning for Image-Based Camera Localization

Iaroslav Melekhov, Juho Kannala, Shuzhe Wang, Xiaotian Li, Zakaria Laskar

arxiv:2108.09112 v2 · 2021-08-20 · 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{7RYIFOLYBVDN4WCDZPD5BE2AS4}

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	2026-07-05T04:18:15.329056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc7082b9780d46de5843cbc7d09340972d2f83fe7a23f7a38c9423eb97e0b03b

Aliases

arxiv: 2108.09112 · arxiv_version: 2108.09112v2 · doi: 10.48550/arxiv.2108.09112 · pith_short_12: 7RYIFOLYBVDN · pith_short_16: 7RYIFOLYBVDN4WCD · pith_short_8: 7RYIFOLY

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/7RYIFOLYBVDN4WCDZPD5BE2AS4 \
  | 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: fc7082b9780d46de5843cbc7d09340972d2f83fe7a23f7a38c9423eb97e0b03b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b0f6bbc6120eb39a5657a31fe64efad23363183e6843b2bc00e565b1a759a39",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-08-20T11:18:05Z",
    "title_canon_sha256": "709d3db128daaddc81df9ad195754fa736822f4f84e3b65d8db87c8716012245"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.09112",
    "kind": "arxiv",
    "version": 2
  }
}