Pith Number

pith:S7G6PGJU

pith:2015:S7G6PGJU5VOAJMTCIDTRTW64YJ

not attested not anchored not stored refs pending

The boundary quotient for algebraic dynamical systems

Nathan Brownlowe, Nicolai Stammeier

arxiv:1504.05734 v1 · 2015-04-22 · math.OA · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S7G6PGJU5VOAJMTCIDTRTW64YJ}

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	2026-05-18T01:00:19.855248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97cde79934ed5c04b26240e719dbdcc250a1a17829581714e7d31f19ba3cd24c

Aliases

arxiv: 1504.05734 · arxiv_version: 1504.05734v1 · doi: 10.48550/arxiv.1504.05734 · pith_short_12: S7G6PGJU5VOA · pith_short_16: S7G6PGJU5VOAJMTC · pith_short_8: S7G6PGJU

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/S7G6PGJU5VOAJMTCIDTRTW64YJ \
  | 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: 97cde79934ed5c04b26240e719dbdcc250a1a17829581714e7d31f19ba3cd24c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75eec80d4fc6995a4aeaec31167783cfa9199ea7e70b38126d677cb7278bfc59",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2015-04-22T11:22:38Z",
    "title_canon_sha256": "cb899a4355d96618918cac0540f75fe0bb33fc9fc1a661623bed6eb1482fc677"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05734",
    "kind": "arxiv",
    "version": 1
  }
}