Pith Number

pith:P2YZDW6E

pith:2019:P2YZDW6EDJFNL6AEIZI7UAMA4Y

not attested not anchored not stored refs pending

A symplectic embedding of the cube with minimal sections and a question by Schlenk

Fabian Ziltener

arxiv:1905.05554 v1 · 2019-05-14 · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P2YZDW6EDJFNL6AEIZI7UAMA4Y}

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	2026-05-17T23:46:14.236708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7eb191dbc41a4ad5f8044651fa0180e613bf0fbb70a111c903afed87008632d0

Aliases

arxiv: 1905.05554 · arxiv_version: 1905.05554v1 · doi: 10.48550/arxiv.1905.05554 · pith_short_12: P2YZDW6EDJFN · pith_short_16: P2YZDW6EDJFNL6AE · pith_short_8: P2YZDW6E

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/P2YZDW6EDJFNL6AEIZI7UAMA4Y \
  | 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: 7eb191dbc41a4ad5f8044651fa0180e613bf0fbb70a111c903afed87008632d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4a9ff71a9f87bcc0b9207fc0712f63398d7d69efea0faa15a78c06acaf5a457",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2019-05-14T12:36:58Z",
    "title_canon_sha256": "de46679a7978aa4fb274e22d0bdcaa9bfbe3ab64a2f1fd007e9053d18f8d4c3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.05554",
    "kind": "arxiv",
    "version": 1
  }
}