Pith Number

pith:L7M4YI3I

pith:2016:L7M4YI3IKQQO4PWG34EKBJDI5G

not attested not anchored not stored refs pending

A field of quantum upper triangular matrices

K. De Commer, M. Flor\'e

arxiv:1602.02508 v1 · 2016-02-08 · 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{L7M4YI3IKQQO4PWG34EKBJDI5G}

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	2026-05-17T23:55:30.172744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fd9cc23685420ee3ec6df08a0a468e99978fe8af63ddfc9ed752fa83e21458a

Aliases

arxiv: 1602.02508 · arxiv_version: 1602.02508v1 · doi: 10.48550/arxiv.1602.02508 · pith_short_12: L7M4YI3IKQQO · pith_short_16: L7M4YI3IKQQO4PWG · pith_short_8: L7M4YI3I

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/L7M4YI3IKQQO4PWG34EKBJDI5G \
  | 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: 5fd9cc23685420ee3ec6df08a0a468e99978fe8af63ddfc9ed752fa83e21458a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "affeb6331848d94e93e03f856806e767d235b55b689c2f9b047914905a75868a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2016-02-08T09:47:02Z",
    "title_canon_sha256": "2f957e1461c76c1bc52b52a062fcda576410e8723a18867c8cf81ef2b17061fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.02508",
    "kind": "arxiv",
    "version": 1
  }
}