Pith Number

pith:KND2GC5P

pith:1995:KND2GC5P2R5R5XKUX4RN63HSBC

not attested not anchored not stored refs pending

Hofer's $L^{\infty}$-geometry: energy and stability of Hamiltonian flows, part I

Dusa McDuff, Fran\c{c}ois Lalonde

arxiv:math/9503227 v1 · 1995-03-09 · math.DS · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KND2GC5P2R5R5XKUX4RN63HSBC}

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	2026-05-18T01:38:23.054778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5347a30bafd47b1edd54bf22df6cf20883514961469d2b3e7c5ff78fccafa2ca

Aliases

arxiv: math/9503227 · arxiv_version: math/9503227v1 · doi: 10.48550/arxiv.math/9503227 · pith_short_12: KND2GC5P2R5R · pith_short_16: KND2GC5P2R5R5XKU · pith_short_8: KND2GC5P

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/KND2GC5P2R5R5XKUX4RN63HSBC \
  | 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: 5347a30bafd47b1edd54bf22df6cf20883514961469d2b3e7c5ff78fccafa2ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7d9feada307adcc3dd4ea1a933c49af1977bd079c0b7a1bc87f80be85aa9b52",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "",
    "primary_cat": "math.DS",
    "submitted_at": "1995-03-09T00:00:00Z",
    "title_canon_sha256": "2ac740a6f3c184a299866efd333b8fbe4bb421dff95ba4f0a1032128fff49c3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9503227",
    "kind": "arxiv",
    "version": 1
  }
}