Pith Number

pith:SFU5DDOZ

pith:2014:SFU5DDOZ2WSQT364VRVJGKCOCY

not attested not anchored not stored refs pending

Monic representations of the Cuntz algebra and Markov measures

Dorin Ervin Dutkay, Palle E.T. Jorgensen

arxiv:1401.2186 v1 · 2014-01-09 · math.FA

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

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	2026-05-18T03:02:46.173047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9169d18dd9d5a509efdcac6a93284e16386b698be54bffdb71a2f43bbd92887c

Aliases

arxiv: 1401.2186 · arxiv_version: 1401.2186v1 · doi: 10.48550/arxiv.1401.2186 · pith_short_12: SFU5DDOZ2WSQ · pith_short_16: SFU5DDOZ2WSQT364 · pith_short_8: SFU5DDOZ

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/SFU5DDOZ2WSQT364VRVJGKCOCY \
  | 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: 9169d18dd9d5a509efdcac6a93284e16386b698be54bffdb71a2f43bbd92887c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62763d3256e56a3286867ed3afde16b9e0e25a36ee3129079bf2ec0f58ea462c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-01-09T22:05:04Z",
    "title_canon_sha256": "9359ebb7ae5a44a79aa16abf69b7ceba12e263557cda771ac673852a243c6a20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2186",
    "kind": "arxiv",
    "version": 1
  }
}