Pith Number

pith:ALM2Q2E6

pith:2005:ALM2Q2E6UJKIK634A76OTLQSRO

not attested not anchored not stored refs pending

Rigidity of minimal volume Alexandrov spaces

Peter A. Storm

arxiv:math/0504473 v2 · 2005-04-22 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ALM2Q2E6UJKIK634A76OTLQSRO}

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	2026-07-04T15:39:18.975635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02d9a8689ea254857b7c07fce9ae128b836329e5aaebfd91486d89ad32e86230

Aliases

arxiv: math/0504473 · arxiv_version: math/0504473v2 · doi: 10.48550/arxiv.math/0504473 · pith_short_12: ALM2Q2E6UJKI · pith_short_16: ALM2Q2E6UJKIK634 · pith_short_8: ALM2Q2E6

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/ALM2Q2E6UJKIK634A76OTLQSRO \
  | 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: 02d9a8689ea254857b7c07fce9ae128b836329e5aaebfd91486d89ad32e86230

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90d897591b7db22ab9843b09c6d41f2effb76acde43dab78092292c50cb65464",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2005-04-22T19:30:50Z",
    "title_canon_sha256": "8752ab8f0c547708a2e1bb90a39e953e03b7fbdc41af7b43538745f97266593a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0504473",
    "kind": "arxiv",
    "version": 2
  }
}