Pith Number

pith:3M4BYEWG

pith:2018:3M4BYEWGFPSH2CL2SUMMJCCKK6

not attested not anchored not stored refs pending

Energy stable Galerkin approximation of Hamiltonian and gradient systems

Herbert Egger

arxiv:1812.04253 v1 · 2018-12-11 · 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{3M4BYEWGFPSH2CL2SUMMJCCKK6}

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	2026-05-17T23:58:32.835591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db381c12c62be47d097a9518c4884a57abeeb1c01e7a07e79433c7216bbb3287

Aliases

arxiv: 1812.04253 · arxiv_version: 1812.04253v1 · doi: 10.48550/arxiv.1812.04253 · pith_short_12: 3M4BYEWGFPSH · pith_short_16: 3M4BYEWGFPSH2CL2 · pith_short_8: 3M4BYEWG

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/3M4BYEWGFPSH2CL2SUMMJCCKK6 \
  | 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: db381c12c62be47d097a9518c4884a57abeeb1c01e7a07e79433c7216bbb3287

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b20dbcedf00177d5c519180dd23fc8459582f23a9e1f652ee67ed43d2d0609fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-12-11T08:08:49Z",
    "title_canon_sha256": "b0d41491f9c11b7e8ede69f5be7a315b7179d50bc967f0d75454124ec52bf0bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.04253",
    "kind": "arxiv",
    "version": 1
  }
}