Pith Number

pith:NSOEUZHM

pith:2021:NSOEUZHMV44J6L543CF2A6NCYQ

not attested not anchored not stored refs pending

Normal stability of slow manifolds in nearly-periodic Hamiltonian systems

E. Hirvijoki, J. W. Burby

arxiv:2104.02190 v1 · 2021-04-05 · math.DS · math-ph · math.MP · physics.plasm-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NSOEUZHMV44J6L543CF2A6NCYQ}

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	2026-07-05T03:17:49.478410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c9c4a64ecaf389f2fbcd88ba079a2c41352516144816e6d9bb77fc262035e23

Aliases

arxiv: 2104.02190 · arxiv_version: 2104.02190v1 · doi: 10.48550/arxiv.2104.02190 · pith_short_12: NSOEUZHMV44J · pith_short_16: NSOEUZHMV44J6L54 · pith_short_8: NSOEUZHM

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/NSOEUZHMV44J6L543CF2A6NCYQ \
  | 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: 6c9c4a64ecaf389f2fbcd88ba079a2c41352516144816e6d9bb77fc262035e23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72359ac29bad3868e0cda24e6b5e26587cdca46f1929b823539b66f35b97aa1f",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "physics.plasm-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2021-04-05T23:34:45Z",
    "title_canon_sha256": "ccf5e90d154e93c3f17bcecb41d5d72112ee5737c1b77646fd762c47f30062d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.02190",
    "kind": "arxiv",
    "version": 1
  }
}