Pith Number

pith:NIMBMFHU

pith:2017:NIMBMFHUDRWDZKY5SK3SUNYDPW

not attested not anchored not stored refs pending

Abstract bivariant Cuntz semigroups

Francesc Perera, Hannes Thiel, Ramon Antoine

arxiv:1702.01588 v2 · 2017-02-06 · 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{NIMBMFHUDRWDZKY5SK3SUNYDPW}

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	2026-05-18T00:00:13.718600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a181614f41c6c3cab1d92b72a37037db1be9e4e37b7aba002e0d7af2d4e0969

Aliases

arxiv: 1702.01588 · arxiv_version: 1702.01588v2 · doi: 10.48550/arxiv.1702.01588 · pith_short_12: NIMBMFHUDRWD · pith_short_16: NIMBMFHUDRWDZKY5 · pith_short_8: NIMBMFHU

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/NIMBMFHUDRWDZKY5SK3SUNYDPW \
  | 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: 6a181614f41c6c3cab1d92b72a37037db1be9e4e37b7aba002e0d7af2d4e0969

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41f4811a5ec1cf7f031cd433298176bcda72bcfa44681b8dc3a436eefcb5be3d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2017-02-06T12:22:03Z",
    "title_canon_sha256": "19f2ea726e28b987dc7a06826034b93bc6acdb15810fa7b02a4fa7858bc55fda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.01588",
    "kind": "arxiv",
    "version": 2
  }
}