Pith Number

pith:SZ3I64LZ

pith:2013:SZ3I64LZYUU53UFLFOSOBY2BQG

not attested not anchored not stored refs pending

Yet More Smooth Mapping Spaces and Their Smoothly Local Properties

Andrew Stacey

arxiv:1301.5493 v1 · 2013-01-23 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SZ3I64LZYUU53UFLFOSOBY2BQG}

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	2026-05-18T03:35:39.598647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96768f7179c529ddd0ab2ba4e0e34181ad8c1127b854be5437ae6dff69279e5d

Aliases

arxiv: 1301.5493 · arxiv_version: 1301.5493v1 · doi: 10.48550/arxiv.1301.5493 · pith_short_12: SZ3I64LZYUU5 · pith_short_16: SZ3I64LZYUU53UFL · pith_short_8: SZ3I64LZ

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/SZ3I64LZYUU53UFLFOSOBY2BQG \
  | 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: 96768f7179c529ddd0ab2ba4e0e34181ad8c1127b854be5437ae6dff69279e5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17728b0311da021051c6828ea7512b7c76b64a2f06ee7f070701c9d23e268ee4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-01-23T13:15:34Z",
    "title_canon_sha256": "a0aa7578a7ebb95d68238e5e5c34e2977de434af3fbd3d11738b1b947dab9df9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5493",
    "kind": "arxiv",
    "version": 1
  }
}