Pith Number

pith:6HFPSZU7

pith:2015:6HFPSZU7GNCQLMYFZWPNTEDIMR

not attested not anchored not stored refs pending

The SOH Operator System

Vern I. Paulsen, Wai Hin Ng

arxiv:1505.00087 v2 · 2015-05-01 · 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{6HFPSZU7GNCQLMYFZWPNTEDIMR}

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	2026-05-18T01:49:31.125929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1caf9669f334505b305cd9ed99068647c9ccb9984a07b43ddbb9f9553f63d69

Aliases

arxiv: 1505.00087 · arxiv_version: 1505.00087v2 · doi: 10.48550/arxiv.1505.00087 · pith_short_12: 6HFPSZU7GNCQ · pith_short_16: 6HFPSZU7GNCQLMYF · pith_short_8: 6HFPSZU7

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/6HFPSZU7GNCQLMYFZWPNTEDIMR \
  | 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: f1caf9669f334505b305cd9ed99068647c9ccb9984a07b43ddbb9f9553f63d69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a5f3665583ee9adbccdd9da1e2ad0c75371af1b28616edd44abbc2f801d563c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2015-05-01T05:03:15Z",
    "title_canon_sha256": "3de3fc6c9bf7095beffc36423a712c56724e98bcf98ac6260f22c1958ff50a4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.00087",
    "kind": "arxiv",
    "version": 2
  }
}