Pith Number

pith:5VJKIEZ3

pith:2013:5VJKIEZ3EZRSO42BXSXA74WXKW

not attested not anchored not stored refs pending

Square Turning Maps and their Compactifications

Richard Evan Schwartz

arxiv:1307.0646 v2 · 2013-07-02 · 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{5VJKIEZ3EZRSO42BXSXA74WXKW}

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	2026-05-18T03:19:14.647536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed52a4133b2663277341bcae0ff2d755bb9f4d176d81b8e0736a750b93e0a782

Aliases

arxiv: 1307.0646 · arxiv_version: 1307.0646v2 · doi: 10.48550/arxiv.1307.0646 · pith_short_12: 5VJKIEZ3EZRS · pith_short_16: 5VJKIEZ3EZRSO42B · pith_short_8: 5VJKIEZ3

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/5VJKIEZ3EZRSO42BXSXA74WXKW \
  | 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: ed52a4133b2663277341bcae0ff2d755bb9f4d176d81b8e0736a750b93e0a782

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6b08f1be60cf04d61dacbca765e6a03cedb9caedb16109c0bc678d72fbc4e0b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2013-07-02T09:40:35Z",
    "title_canon_sha256": "1e9c2e96b767eff66b8eb0825b82acb08c799c712740e13eb1ec75cf4d6dc962"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.0646",
    "kind": "arxiv",
    "version": 2
  }
}