Pith Number

pith:PLQLXAPI

pith:2022:PLQLXAPI5R6CMBNNEKOHM4MOA7

not attested not anchored not stored refs pending

Contactomorphisms of the sphere without translated points

Dylan Cant

arxiv:2210.11002 v1 · 2022-10-20 · 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{PLQLXAPI5R6CMBNNEKOHM4MOA7}

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.

Cited by

1 paper in Pith

Quantitative contact Hamiltonian dynamics

Receipt and verification

First computed	2026-07-05T05:08:42.948842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ae0bb81e8ec7c2605ad229c76718e07e27eb6f90a2ef8b378aedc223cf41862

Aliases

arxiv: 2210.11002 · arxiv_version: 2210.11002v1 · doi: 10.48550/arxiv.2210.11002 · pith_short_12: PLQLXAPI5R6C · pith_short_16: PLQLXAPI5R6CMBNN · pith_short_8: PLQLXAPI

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/PLQLXAPI5R6CMBNNEKOHM4MOA7 \
  | 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: 7ae0bb81e8ec7c2605ad229c76718e07e27eb6f90a2ef8b378aedc223cf41862

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7ac812b6e656f514c796de717c8e147cfdae0427f976cd52032b93f9c33c1b5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2022-10-20T04:09:46Z",
    "title_canon_sha256": "71c1815cc50493b8b53a671f8b3d2406f7297833faaad954d9c6e05bb274962e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.11002",
    "kind": "arxiv",
    "version": 1
  }
}