Pith Number

pith:R6THPJNT

pith:2018:R6THPJNTS3BOA42EK4WNUNBQIB

not attested not anchored not stored refs pending

Energy-preserving Variational Integrators for Forced Lagrangian Systems

Craig Woolsey, Harsh Sharma, Mayuresh Patil

arxiv:1801.04996 v1 · 2018-01-03 · math.NA · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R6THPJNTS3BOA42EK4WNUNBQIB}

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	2026-05-18T00:15:18.744468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fa677a5b396c2e07344572cda343040703c1452a9d79e7518f6e9fc127cdecb

Aliases

arxiv: 1801.04996 · arxiv_version: 1801.04996v1 · doi: 10.48550/arxiv.1801.04996 · pith_short_12: R6THPJNTS3BO · pith_short_16: R6THPJNTS3BOA42E · pith_short_8: R6THPJNT

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/R6THPJNTS3BOA42EK4WNUNBQIB \
  | 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: 8fa677a5b396c2e07344572cda343040703c1452a9d79e7518f6e9fc127cdecb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2997d15cba6a2c3ecb356b939903c143fdd29d5ee4a0dc8fbf78f4f3753954d",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-01-03T13:21:09Z",
    "title_canon_sha256": "e3e7bb3e2ccfce92710a35c2c78f49586b28a2d3b846c5deb7476c20d7918778"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04996",
    "kind": "arxiv",
    "version": 1
  }
}