Pith Number

pith:JW4T5EYK

pith:2016:JW4T5EYK2PU6MSF4Y46UQTQO3F

not attested not anchored not stored refs pending

The universal algebra generated by a power partial isometry

Steffen Roch

arxiv:1602.00857 v1 · 2016-02-02 · 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{JW4T5EYK2PU6MSF4Y46UQTQO3F}

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	2026-05-18T01:21:24.421225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4db93e930ad3e9e648bcc73d484e0ed9747d51c729be5ac05a4f510a062bfb17

Aliases

arxiv: 1602.00857 · arxiv_version: 1602.00857v1 · doi: 10.48550/arxiv.1602.00857 · pith_short_12: JW4T5EYK2PU6 · pith_short_16: JW4T5EYK2PU6MSF4 · pith_short_8: JW4T5EYK

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/JW4T5EYK2PU6MSF4Y46UQTQO3F \
  | 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: 4db93e930ad3e9e648bcc73d484e0ed9747d51c729be5ac05a4f510a062bfb17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd5a6cef71ab986b5f1ff9809026d2207bd931625483ad6b8cb05a03da135054",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2016-02-02T09:50:22Z",
    "title_canon_sha256": "b66ad407faffb26060daf0b6c215e1b3239a007fdef20fdf99f07bbd294f6fd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.00857",
    "kind": "arxiv",
    "version": 1
  }
}