Pith Number

pith:QHQ37C3A

pith:2014:QHQ37C3AS2M6YEUV23BODC4MPC

not attested not anchored not stored refs pending

A topological view of ordered groups

Dale Rolfsen

arxiv:1403.4876 v1 · 2014-03-19 · math.GR · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QHQ37C3AS2M6YEUV23BODC4MPC}

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	2026-05-18T02:56:04.266987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81e1bf8b609699ec1295d6c2e18b8c78803569886dbe81f698d0da4e2989bdbe

Aliases

arxiv: 1403.4876 · arxiv_version: 1403.4876v1 · doi: 10.48550/arxiv.1403.4876 · pith_short_12: QHQ37C3AS2M6 · pith_short_16: QHQ37C3AS2M6YEUV · pith_short_8: QHQ37C3A

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/QHQ37C3AS2M6YEUV23BODC4MPC \
  | 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: 81e1bf8b609699ec1295d6c2e18b8c78803569886dbe81f698d0da4e2989bdbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60bcb7a7eb1dc3d7f9580ade6b5e97a59fbd14e6ab187176102b046c0d58ef5c",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2014-03-19T16:49:27Z",
    "title_canon_sha256": "9cb9e92c0ac4fed55e025b823de9a664970d1922707ed2140aded63ae8ac193e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.4876",
    "kind": "arxiv",
    "version": 1
  }
}