Pith Number

pith:UIEENLAA

pith:2023:UIEENLAAGAFTSYM2I4W2ZD7NRP

not attested not anchored not stored refs pending

A new metric on the contactomorphism group of orderable contact manifolds

Lukas Nakamura

arxiv:2307.10905 v3 · 2023-07-20 · 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{UIEENLAAGAFTSYM2I4W2ZD7NRP}

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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

Invariant distances on spaces of Legendrians

Receipt and verification

First computed	2026-07-05T10:43:33.686186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a20846ac00300b39619a472dac8fed8bfdefceef4fda2ccf89cabfbd61ae8da2

Aliases

arxiv: 2307.10905 · arxiv_version: 2307.10905v3 · doi: 10.48550/arxiv.2307.10905 · pith_short_12: UIEENLAAGAFT · pith_short_16: UIEENLAAGAFTSYM2 · pith_short_8: UIEENLAA

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/UIEENLAAGAFTSYM2I4W2ZD7NRP \
  | 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: a20846ac00300b39619a472dac8fed8bfdefceef4fda2ccf89cabfbd61ae8da2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3338f262e99b3ae2be638aab7e3bf2eebd1e84b9c4912f4c9fcba2ffd15ea600",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2023-07-20T14:28:58Z",
    "title_canon_sha256": "04f7d4afe8aeba2bc5d672ed774675a1124bcc95bcb21ac1e413e50d4bd223ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.10905",
    "kind": "arxiv",
    "version": 3
  }
}