Pith Number

pith:TJSFCEG6

pith:2021:TJSFCEG6ZHJIQ43STP65KW6FS6

not attested not anchored not stored refs pending

Spot the Difference: Detection of Topological Changes via Geometric Alignment

Aasa Feragen, Oswin Krause, Steffen Czolbe

arxiv:2106.08233 v2 · 2021-06-09 · cs.CV · cs.LG · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TJSFCEG6ZHJIQ43STP65KW6FS6}

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	2026-07-05T03:25:32.230383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a645110dec9d28873729bfdd55bc59782498e0eea60128754f8595c467d1b23

Aliases

arxiv: 2106.08233 · arxiv_version: 2106.08233v2 · doi: 10.48550/arxiv.2106.08233 · pith_short_12: TJSFCEG6ZHJI · pith_short_16: TJSFCEG6ZHJIQ43S · pith_short_8: TJSFCEG6

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/TJSFCEG6ZHJIQ43STP65KW6FS6 \
  | 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: 9a645110dec9d28873729bfdd55bc59782498e0eea60128754f8595c467d1b23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "070e4ec3694b3a077c056d4cb396b831d52f106e183e7de3fdd2bd9b4b6f5ec1",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.IV"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-06-09T11:49:23Z",
    "title_canon_sha256": "a5584fd1d47a7beee3ce9dc4a662098c1bd0e5ded2318fc95c2c839ee6f7897c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.08233",
    "kind": "arxiv",
    "version": 2
  }
}