Pith Number

pith:TPH2OTHU

pith:2017:TPH2OTHUHCAFFRUILYNHSBL4PC

not attested not anchored not stored refs pending

HNN extensions of quasi-lattice ordered groups and their operator algebras

Astrid an Huef, Iain Raeburn, Ilija Tolich

arxiv:1703.08907 v1 · 2017-03-27 · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TPH2OTHUHCAFFRUILYNHSBL4PC}

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	2026-05-18T00:47:55.189665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bcfa74cf4388052c6885e1a79057c788861faf038af4d15a079acf8ed34e9f8

Aliases

arxiv: 1703.08907 · arxiv_version: 1703.08907v1 · doi: 10.48550/arxiv.1703.08907 · pith_short_12: TPH2OTHUHCAF · pith_short_16: TPH2OTHUHCAFFRUI · pith_short_8: TPH2OTHU

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/TPH2OTHUHCAFFRUILYNHSBL4PC \
  | 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: 9bcfa74cf4388052c6885e1a79057c788861faf038af4d15a079acf8ed34e9f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b4a1a5b78c9cd65b368bcfec6b57ce17e6d9de204d9ce86b63c2c112458a9c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2017-03-27T02:38:36Z",
    "title_canon_sha256": "2593604b41f8133027ca2fa0e0595c829930823fb26d958eeb3a7d43bb8e9611"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.08907",
    "kind": "arxiv",
    "version": 1
  }
}