Pith Number

pith:6X3JFBIY

pith:2019:6X3JFBIYTFM4OKAD47OH3FB3YA

not attested not anchored not stored refs pending

Visual Coin-Tracking: Tracking of Planar Double-Sided Objects

Ji\v{r}\'i Matas, Jon\'a\v{s} \v{S}er\'ych

arxiv:1908.02664 v1 · 2019-08-07 · 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{6X3JFBIYTFM4OKAD47OH3FB3YA}

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	2026-07-04T23:52:11.216709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5f69285189959c72803e7dc7d943bc01f1957aecbf659b052f80ec78ee25cf7

Aliases

arxiv: 1908.02664 · arxiv_version: 1908.02664v1 · doi: 10.48550/arxiv.1908.02664 · pith_short_12: 6X3JFBIYTFM4 · pith_short_16: 6X3JFBIYTFM4OKAD · pith_short_8: 6X3JFBIY

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/6X3JFBIYTFM4OKAD47OH3FB3YA \
  | 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: f5f69285189959c72803e7dc7d943bc01f1957aecbf659b052f80ec78ee25cf7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6b09f30815b2ebfffb9c1bff1421ee3cfe15f2a888adaf92decc17f9f9d1247",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-08-07T14:53:44Z",
    "title_canon_sha256": "c534dab6fb51f006098b1c58c99ccfc469450a6ac56f77ddde08865431711cee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02664",
    "kind": "arxiv",
    "version": 1
  }
}