Pith Number

pith:H4U2FBGN

pith:2018:H4U2FBGN3GCX2XCCCS43AJTVCL

not attested not anchored not stored refs pending

Bounded Invariant Equivalence Relations

Tomasz Rzepecki

arxiv:1810.05113 v1 · 2018-10-11 · 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{H4U2FBGN3GCX2XCCCS43AJTVCL}

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.

Cited by

1 paper in Pith

Convolution semigroups for automorphism dynamics

Receipt and verification

First computed	2026-05-18T00:03:34.834863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f29a284cdd9857d5c4214b9b0267512d35d585402f1958e1daf799854045cfe

Aliases

arxiv: 1810.05113 · arxiv_version: 1810.05113v1 · doi: 10.48550/arxiv.1810.05113 · pith_short_12: H4U2FBGN3GCX · pith_short_16: H4U2FBGN3GCX2XCC · pith_short_8: H4U2FBGN

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/H4U2FBGN3GCX2XCCCS43AJTVCL \
  | 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: 3f29a284cdd9857d5c4214b9b0267512d35d585402f1958e1daf799854045cfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba1a2e82992421d32e98008179988e9085cb564020dde96328fc2bcf15e1f777",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-10-11T16:31:03Z",
    "title_canon_sha256": "b512018066fcd52b5374538d2604a16a35ed6f6c2f9c41c15546f9d3adf27969"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.05113",
    "kind": "arxiv",
    "version": 1
  }
}