Pith Number

pith:V55ZPTPX

pith:2026:V55ZPTPXX2PNCNBSQUXX7D2LZA

not attested not anchored not stored refs pending

Visibility Theory

Frode Alfson Bj{\o}rdal

arxiv:2606.04026 v1 · 2026-06-01 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V55ZPTPXX2PNCNBSQUXX7D2LZA}

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	2026-06-04T00:06:44.780482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af7b97cdf7be9ed13432852f7f8f4bc82c82c66ec4a78d5577467061f1aeabcf

Aliases

arxiv: 2606.04026 · arxiv_version: 2606.04026v1 · doi: 10.48550/arxiv.2606.04026 · pith_short_12: V55ZPTPXX2PN · pith_short_16: V55ZPTPXX2PNCNBS · pith_short_8: V55ZPTPX

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/V55ZPTPXX2PNCNBSQUXX7D2LZA \
  | 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: af7b97cdf7be9ed13432852f7f8f4bc82c82c66ec4a78d5577467061f1aeabcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5300d61006a4e3676fa0bc974e5076c9cf55a16b47542de4abf707c2cc809662",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2026-06-01T18:01:01Z",
    "title_canon_sha256": "0aef5817df686eec2dc0b3eb9b36ae09c431ac5cdbf6aa487d9a586905260180"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.04026",
    "kind": "arxiv",
    "version": 1
  }
}