Pith Number

pith:I5D6P5NS

pith:2018:I5D6P5NSFMTOH7X5RENWGCSAY7

not attested not anchored not stored refs pending

Approaching central projections in AF-algebras

Daniele Mundici

arxiv:1806.03970 v1 · 2018-06-11 · math.OA · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I5D6P5NSFMTOH7X5RENWGCSAY7}

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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	2026-05-18T00:13:41.310272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4747e7f5b22b26e3fefd891b630a40c7c3af45a4570e970da27126f9b32d46aa

Aliases

arxiv: 1806.03970 · arxiv_version: 1806.03970v1 · doi: 10.48550/arxiv.1806.03970 · pith_short_12: I5D6P5NSFMTO · pith_short_16: I5D6P5NSFMTOH7X5 · pith_short_8: I5D6P5NS

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/I5D6P5NSFMTOH7X5RENWGCSAY7 \
  | 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: 4747e7f5b22b26e3fefd891b630a40c7c3af45a4570e970da27126f9b32d46aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c667a4ee3af3f33a8d4acbe3e3f4599dadbdfe34c0f5aa3ba92fa900f229729",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2018-06-11T13:42:51Z",
    "title_canon_sha256": "61ea7f08143a99a895f364b28284b7c093cc6f746bb5ec5acf9cd644e5aac311"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.03970",
    "kind": "arxiv",
    "version": 1
  }
}