Pith Number

pith:MGJAS5BL

pith:2019:MGJAS5BLZU2NOXD2WDGTYOJNMK

not attested not anchored not stored refs pending

Quantum structures from association schemes

Radhakrishnan Balu

arxiv:1902.08664 v2 · 2019-02-22 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MGJAS5BLZU2NOXD2WDGTYOJNMK}

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	2026-05-17T23:42:53.324733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

619209742bcd34d75c7ab0cd3c392d628286c27ddf6d3c288e4a7340df827f28

Aliases

arxiv: 1902.08664 · arxiv_version: 1902.08664v2 · doi: 10.48550/arxiv.1902.08664 · pith_short_12: MGJAS5BLZU2N · pith_short_16: MGJAS5BLZU2NOXD2 · pith_short_8: MGJAS5BL

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/MGJAS5BLZU2NOXD2WDGTYOJNMK \
  | 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: 619209742bcd34d75c7ab0cd3c392d628286c27ddf6d3c288e4a7340df827f28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f9c2d09e0e754ebe630b5dc8ecde324352d22343fb178d70f3a74c891b9d8cf",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2019-02-22T20:41:53Z",
    "title_canon_sha256": "6989be4c42ebb9ecbc2e0338462144c4089584de68401a5c7e7de8ebd706c7b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08664",
    "kind": "arxiv",
    "version": 2
  }
}