Pith Number

pith:UX44GIYT

pith:2022:UX44GIYTS7QGBONEGZL4IV6ZLN

not attested not anchored not stored refs pending

Polish topologies on endomorphism monoids of relational structures

J. D. Mitchell, J. Jonu\v{s}as, L. Elliott, M. Pinsker, Y. P\'eresse

arxiv:2203.11577 v1 · 2022-03-22 · math.GR · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UX44GIYTS7QGBONEGZL4IV6ZLN}

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	2026-06-23T01:12:42.866802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5f9c3231397e060b9a43657c457d95b5ae5b457adde9d595ea0fb71ffe6cdf0

Aliases

arxiv: 2203.11577 · arxiv_version: 2203.11577v1 · doi: 10.48550/arxiv.2203.11577 · pith_short_12: UX44GIYTS7QG · pith_short_16: UX44GIYTS7QGBONE · pith_short_8: UX44GIYT

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/UX44GIYTS7QGBONEGZL4IV6ZLN \
  | 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: a5f9c3231397e060b9a43657c457d95b5ae5b457adde9d595ea0fb71ffe6cdf0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5393d7541a4788101a15587ca849077e91c6bee34fef11e782e432af03f114c4",
    "cross_cats_sorted": [
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2022-03-22T09:55:19Z",
    "title_canon_sha256": "d6562ab8f8d497c64427102670f72d899dc6f44e7925a400f0ab976e053f2da2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.11577",
    "kind": "arxiv",
    "version": 1
  }
}