Pith Number

pith:4PRYTDET

pith:2018:4PRYTDETBFDEQB4P5EW6LSMVHE

not attested not anchored not stored refs pending

Compressions of compact tuples

Benjamin Passer, Orr Moshe Shalit

arxiv:1809.05154 v2 · 2018-09-13 · math.OA · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4PRYTDETBFDEQB4P5EW6LSMVHE}

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	2026-05-17T23:42:49.889836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3e3898c93094648078fe92de5c99539318681726d95fc48694e35d6f7fc6ef4

Aliases

arxiv: 1809.05154 · arxiv_version: 1809.05154v2 · doi: 10.48550/arxiv.1809.05154 · pith_short_12: 4PRYTDETBFDE · pith_short_16: 4PRYTDETBFDEQB4P · pith_short_8: 4PRYTDET

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/4PRYTDETBFDEQB4P5EW6LSMVHE \
  | 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: e3e3898c93094648078fe92de5c99539318681726d95fc48694e35d6f7fc6ef4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37b178ab42e31ede764d28e62f03195794450936eb9cdcd3a2afbb7ad3260873",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2018-09-13T19:51:05Z",
    "title_canon_sha256": "c8034cbd010d43f53dcd6834b0e68460e6bca127ad60b404375c9c3e97959927"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.05154",
    "kind": "arxiv",
    "version": 2
  }
}