Pith Number

pith:6PA3ZYVN

pith:2018:6PA3ZYVNG24QHHLENRTMUEQ42Q

not attested not anchored not stored refs pending

Natural density and probability, constructively

Samuele Maschio

arxiv:1801.09401 v2 · 2018-01-29 · 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{6PA3ZYVNG24QHHLENRTMUEQ42Q}

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	2026-05-17T23:46:11.247809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3c1bce2ad36b9039d646c66ca121cd42b0c94633a67afcbb03555c36ca8444f

Aliases

arxiv: 1801.09401 · arxiv_version: 1801.09401v2 · doi: 10.48550/arxiv.1801.09401 · pith_short_12: 6PA3ZYVNG24Q · pith_short_16: 6PA3ZYVNG24QHHLE · pith_short_8: 6PA3ZYVN

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/6PA3ZYVNG24QHHLENRTMUEQ42Q \
  | 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: f3c1bce2ad36b9039d646c66ca121cd42b0c94633a67afcbb03555c36ca8444f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29b4f555b3b55cf547cfb5fe3630104d9900b726b2e7eb417980b45ac58100b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-01-29T08:46:08Z",
    "title_canon_sha256": "c37c3db766131ea96cd57984c7061136d7fa7a7f007720dd76c78d94c4d15c33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09401",
    "kind": "arxiv",
    "version": 2
  }
}