Pith Number

pith:P5RIKR7P

pith:2017:P5RIKR7PF6F7WCVFVUFBFKSQFZ

not attested not anchored not stored refs pending

Analysis of Energy and QUadratic Invariant Preserving (EQUIP) methods

Felice Iavernaro, Gianmarco Gurioli, Luigi Brugnano

arxiv:1705.05185 v2 · 2017-05-15 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P5RIKR7PF6F7WCVFVUFBFKSQFZ}

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	2026-05-18T00:27:00.571495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f628547ef2f8bfb0aa5ad0a12aa502e5bd2249e0e221a47d4bf7433a88b2617

Aliases

arxiv: 1705.05185 · arxiv_version: 1705.05185v2 · doi: 10.48550/arxiv.1705.05185 · pith_short_12: P5RIKR7PF6F7 · pith_short_16: P5RIKR7PF6F7WCVF · pith_short_8: P5RIKR7P

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/P5RIKR7PF6F7WCVFVUFBFKSQFZ \
  | 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: 7f628547ef2f8bfb0aa5ad0a12aa502e5bd2249e0e221a47d4bf7433a88b2617

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8fbf60053ffab8100d32021b82124bd1e6205e0d26d99f1abf5e49948c85a71",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-05-15T12:35:32Z",
    "title_canon_sha256": "4b0d8046e0411a2e49c429097f477e83621116500b4672bd836d872e5591d6a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.05185",
    "kind": "arxiv",
    "version": 2
  }
}