Pith Number

pith:UMVMIUYP

pith:2013:UMVMIUYPTNHPNMSOEBUV4V66XC

not attested not anchored not stored refs pending

An Oka principle for equivariant isomorphisms

Finnur Larusson, Frank Kutzschebauch, Gerald W. Schwarz

arxiv:1303.4779 v3 · 2013-03-19 · math.CV · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UMVMIUYPTNHPNMSOEBUV4V66XC}

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	2026-05-18T03:15:57.516722Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a32ac4530f9b4ef6b24e20695e57deb88a6360730b83bfb26b11f84fc11a6743

Aliases

arxiv: 1303.4779 · arxiv_version: 1303.4779v3 · doi: 10.48550/arxiv.1303.4779 · pith_short_12: UMVMIUYPTNHP · pith_short_16: UMVMIUYPTNHPNMSO · pith_short_8: UMVMIUYP

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/UMVMIUYPTNHPNMSOEBUV4V66XC \
  | 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: a32ac4530f9b4ef6b24e20695e57deb88a6360730b83bfb26b11f84fc11a6743

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4668109c997ca04a3b04be2c89501497db648b04dcea89f81a582ba288b11d4",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2013-03-19T22:23:30Z",
    "title_canon_sha256": "7daa4b5612389a435da955c82859ed490b6b1dc22cf98db42d16e91930041c50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4779",
    "kind": "arxiv",
    "version": 3
  }
}