Pith Number

pith:RWDXZIFA

pith:2017:RWDXZIFAJEFPKBNOSY2IFA34DT

not attested not anchored not stored refs pending

On the geometry of idempotents in von Neumann algebras

Adam Sierakowski, Thierry Giordano

arxiv:1712.09386 v1 · 2017-12-26 · 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{RWDXZIFAJEFPKBNOSY2IFA34DT}

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	2026-05-18T00:27:08.604849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d877ca0a0490af505ae963482837c1ce2eabf88cf81e87ace372e8de7263e0f

Aliases

arxiv: 1712.09386 · arxiv_version: 1712.09386v1 · doi: 10.48550/arxiv.1712.09386 · pith_short_12: RWDXZIFAJEFP · pith_short_16: RWDXZIFAJEFPKBNO · pith_short_8: RWDXZIFA

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/RWDXZIFAJEFPKBNOSY2IFA34DT \
  | 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: 8d877ca0a0490af505ae963482837c1ce2eabf88cf81e87ace372e8de7263e0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c11f9415d9ccb4c624454fa912e995fb14a2afe83bc7464cb0951ad1fca3db1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2017-12-26T19:58:52Z",
    "title_canon_sha256": "a055c9329e8c3080ce60d804131663fb0190673cb59eb5192a4ef842cc101b41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.09386",
    "kind": "arxiv",
    "version": 1
  }
}