Pith Number

pith:P7FYV7HC

pith:2017:P7FYV7HC26FYDU5TAANHKLEP5L

not attested not anchored not stored refs pending

Naimark's problem for graph C*-algebras

Mark Tomforde, Nishant Suri

arxiv:1708.04368 v3 · 2017-08-15 · 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{P7FYV7HC26FYDU5TAANHKLEP5L}

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	2026-05-18T00:19:41.979649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fcb8afce2d78b81d3b3001a752c8fead0d7383a07b679092c0a1bbfcc7cbaa9

Aliases

arxiv: 1708.04368 · arxiv_version: 1708.04368v3 · doi: 10.48550/arxiv.1708.04368 · pith_short_12: P7FYV7HC26FY · pith_short_16: P7FYV7HC26FYDU5T · pith_short_8: P7FYV7HC

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/P7FYV7HC26FYDU5TAANHKLEP5L \
  | 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: 7fcb8afce2d78b81d3b3001a752c8fead0d7383a07b679092c0a1bbfcc7cbaa9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "757f0004f38646fbcc8f6215b477ca3f38ed423163346d95b0fe2d2654799923",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2017-08-15T00:46:15Z",
    "title_canon_sha256": "b6f5ff356a95060181d6257d0300ce72bd7b595f459365c1b01f9854da73c0b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.04368",
    "kind": "arxiv",
    "version": 3
  }
}