Pith Number

pith:R5P3LPGS

pith:2023:R5P3LPGSUMPK2HRIZJOGQC42IP

not attested not anchored not stored refs pending

A connected sum formula for embedded contact homology

Luya Wang

arxiv:2305.01646 v2 · 2023-05-02 · 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{R5P3LPGSUMPK2HRIZJOGQC42IP}

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	2026-07-05T10:06:37.175827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f5fb5bcd2a31ead1e28ca5c680b9a43ffe60b90d789aad50af2a7a4434d94f0

Aliases

arxiv: 2305.01646 · arxiv_version: 2305.01646v2 · doi: 10.48550/arxiv.2305.01646 · pith_short_12: R5P3LPGSUMPK · pith_short_16: R5P3LPGSUMPK2HRI · pith_short_8: R5P3LPGS

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/R5P3LPGSUMPK2HRIZJOGQC42IP \
  | 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: 8f5fb5bcd2a31ead1e28ca5c680b9a43ffe60b90d789aad50af2a7a4434d94f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d773d7b3082e48298275273381fa8d41caea930d070611c3dc259fccb42b42e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2023-05-02T17:57:42Z",
    "title_canon_sha256": "63d3531f919ee85b48dc5a6ddfadec33e7e5acf8258fd482adde4a7ccddbefff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.01646",
    "kind": "arxiv",
    "version": 2
  }
}