Pith Number

pith:PZQL2YPR

pith:2018:PZQL2YPRO5NQXWEX4X4ZCWPZ6R

not attested not anchored not stored refs pending

The variational discretization of the constrained higher-order Lagrange-Poincar\'e equations

Anthony Bloch, Fernando Jim\'enez, Leonardo Colombo

arxiv:1801.00577 v2 · 2018-01-02 · math.DS · cs.DM · cs.SY · math.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PZQL2YPRO5NQXWEX4X4ZCWPZ6R}

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	2026-05-18T00:10:47.010189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e60bd61f1775b0bd897e5f99159f9f47958cb1cde57ff6f5d1c90e41ae567e4

Aliases

arxiv: 1801.00577 · arxiv_version: 1801.00577v2 · doi: 10.48550/arxiv.1801.00577 · pith_short_12: PZQL2YPRO5NQ · pith_short_16: PZQL2YPRO5NQXWEX · pith_short_8: PZQL2YPR

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/PZQL2YPRO5NQXWEX4X4ZCWPZ6R \
  | 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: 7e60bd61f1775b0bd897e5f99159f9f47958cb1cde57ff6f5d1c90e41ae567e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbfea4d5b5c98312f5234c88c70ca97edfb1d8007dc387cc501032de632b3b13",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.SY",
      "math.NA",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-01-02T08:29:16Z",
    "title_canon_sha256": "884b0ec3030f0afbc70216a6e32a0784b93bd40764c60fe4b7f39cd3cfd24e3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.00577",
    "kind": "arxiv",
    "version": 2
  }
}