Pith Number

pith:VLHE6FDL

pith:2025:VLHE6FDLTC67SFGKRPTP2NKMLM

not attested not anchored not stored refs pending

The space of Conradian left-preorders

Iv\'an Ch\'ercoles-Cuesta

arxiv:2506.18573 v2 · 2025-06-23 · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VLHE6FDLTC67SFGKRPTP2NKMLM}

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

Spaces of left-preorders on free products

Receipt and verification

First computed	2026-07-05T11:41:43.501328Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aace4f146b98bdf914ca8be6fd354c5b2908bf5c1640415c6041d760056c55cb

Aliases

arxiv: 2506.18573 · arxiv_version: 2506.18573v2 · doi: 10.48550/arxiv.2506.18573 · pith_short_12: VLHE6FDLTC67 · pith_short_16: VLHE6FDLTC67SFGK · pith_short_8: VLHE6FDL

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/VLHE6FDLTC67SFGKRPTP2NKMLM \
  | 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: aace4f146b98bdf914ca8be6fd354c5b2908bf5c1640415c6041d760056c55cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7257d5100921fb46dd7303cd4718668d4cfb372fb9157de5f5d0387b3ec1b740",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2025-06-23T12:25:30Z",
    "title_canon_sha256": "cbaf422265b1d757ee6fd98e91df58ec6531f81c9969fbd026ba3460f35e6a1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.18573",
    "kind": "arxiv",
    "version": 2
  }
}