Pith Number

pith:NU6WB2WC

pith:2019:NU6WB2WCP4BGYQBJAJOOCCIJJT

not attested not anchored not stored refs pending

On the structure of noncommutative mapping schemes

Maysam Maysami Sadr

arxiv:1907.09969 v1 · 2019-07-23 · math.AG · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NU6WB2WCP4BGYQBJAJOOCCIJJT}

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	2026-05-17T23:39:49.562469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d3d60eac27f026c4029025ce109094ccb3dc06e83717efefe05937d306f0180

Aliases

arxiv: 1907.09969 · arxiv_version: 1907.09969v1 · doi: 10.48550/arxiv.1907.09969 · pith_short_12: NU6WB2WCP4BG · pith_short_16: NU6WB2WCP4BGYQBJ · pith_short_8: NU6WB2WC

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/NU6WB2WCP4BGYQBJAJOOCCIJJT \
  | 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: 6d3d60eac27f026c4029025ce109094ccb3dc06e83717efefe05937d306f0180

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54f58d25d3d46038169ccb705b02462787980ee14b97a3703c3b8f6ff4d31a4d",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-07-23T15:53:44Z",
    "title_canon_sha256": "044592e241d8e15993c70ef46ce97512ce1d54678287a9bbc1aa11b207942170"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.09969",
    "kind": "arxiv",
    "version": 1
  }
}