Pith Number

pith:SYOVIO46

pith:2021:SYOVIO467YIHPGWI3LGIHBHGD3

not attested not anchored not stored refs pending

Adding Visibility to Visibility Graphs: Weighting Visibility Analysis with Attenuation Coefficients

John Federici, Margarita Vinnikov, Mathew Schwartz

arxiv:2108.04231 v1 · 2021-07-28 · cs.CV · cs.GR · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SYOVIO467YIHPGWI3LGIHBHGD3}

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	2026-07-05T03:04:14.130282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

961d543b9efe10779ac8dacc8384e61ee45da29704aa5fd2067578c35fd4342d

Aliases

arxiv: 2108.04231 · arxiv_version: 2108.04231v1 · doi: 10.48550/arxiv.2108.04231 · pith_short_12: SYOVIO467YIH · pith_short_16: SYOVIO467YIHPGWI · pith_short_8: SYOVIO46

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/SYOVIO467YIHPGWI3LGIHBHGD3 \
  | 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: 961d543b9efe10779ac8dacc8384e61ee45da29704aa5fd2067578c35fd4342d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c51f5464e75c28f5ea7ba1bc3ec404334243d980801132dc3ba254cfe5bd20fe",
    "cross_cats_sorted": [
      "cs.GR",
      "cs.HC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-07-28T18:36:56Z",
    "title_canon_sha256": "5ad9bd6f19f82b487fd21ce2470007f67b049ac312686b5b4283cb6467a1117a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.04231",
    "kind": "arxiv",
    "version": 1
  }
}