Pith Number

pith:3XDBRC3K

pith:2020:3XDBRC3KIDZZRAXM5PNOWW7IYW

not attested not anchored not stored refs pending

Detection of Binary Square Fiducial Markers Using an Event Camera

Hamid Sarmadi, Miguel A. Olivares-Mendez, Rafael Medina-Carnicer, Rafael Mu\~noz-Salinas

arxiv:2012.06516 v3 · 2020-12-11 · 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{3XDBRC3KIDZZRAXM5PNOWW7IYW}

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	2026-07-05T02:25:11.387265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddc6188b6a40f39882ecebdaeb5be8c5b1e09f08083bdbaa1cdb2d611c3d03eb

Aliases

arxiv: 2012.06516 · arxiv_version: 2012.06516v3 · doi: 10.48550/arxiv.2012.06516 · pith_short_12: 3XDBRC3KIDZZ · pith_short_16: 3XDBRC3KIDZZRAXM · pith_short_8: 3XDBRC3K

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/3XDBRC3KIDZZRAXM5PNOWW7IYW \
  | 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: ddc6188b6a40f39882ecebdaeb5be8c5b1e09f08083bdbaa1cdb2d611c3d03eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "011815d8727fc493378df1bf8d9dae18360dba135facbb9a62ffb9d1be8d3f5d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-12-11T17:34:47Z",
    "title_canon_sha256": "61a18b174b675292c3e5a19913a1d45b77301245fc161bfd0f9a84b44dd182fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.06516",
    "kind": "arxiv",
    "version": 3
  }
}