Pith Number

pith:5WORHFPI

pith:2014:5WORHFPIMVDQQMDV3ADO5GILP2

not attested not anchored not stored refs pending

Rieffel proper actions

Alcides Buss, Siegfried Echterhoff

arxiv:1409.3977 v1 · 2014-09-13 · 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{5WORHFPIMVDQQMDV3ADO5GILP2}

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	2026-05-18T02:42:53.298921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed9d1395e86547083075d806ee990b7eb994e8ec6728bb41bb2a26709870707c

Aliases

arxiv: 1409.3977 · arxiv_version: 1409.3977v1 · doi: 10.48550/arxiv.1409.3977 · pith_short_12: 5WORHFPIMVDQ · pith_short_16: 5WORHFPIMVDQQMDV · pith_short_8: 5WORHFPI

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/5WORHFPIMVDQQMDV3ADO5GILP2 \
  | 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: ed9d1395e86547083075d806ee990b7eb994e8ec6728bb41bb2a26709870707c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bbc63d9f4c0c1a9240ab8e8a71eb4c53c57ca2cb95d73a832cf36e4e720233f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2014-09-13T18:20:35Z",
    "title_canon_sha256": "5cfbfeef47503e9228839d72ebe599dc28ce3cf97950ef6a24ef14dcca69538e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.3977",
    "kind": "arxiv",
    "version": 1
  }
}