Pith Number

pith:UAYWAGSU

pith:2017:UAYWAGSUYTEDZ4UTKNDRZPD2PB

not attested not anchored not stored refs pending

Variable stepsize commutator free Lie group integrators

Brynjulf Owren, Charles Curry

arxiv:1712.09597 v1 · 2017-12-27 · 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{UAYWAGSUYTEDZ4UTKNDRZPD2PB}

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	2026-05-18T00:27:07.868109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a031601a54c4c83cf29353471cbc7a7841275631a750086464fee749b90988e6

Aliases

arxiv: 1712.09597 · arxiv_version: 1712.09597v1 · doi: 10.48550/arxiv.1712.09597 · pith_short_12: UAYWAGSUYTED · pith_short_16: UAYWAGSUYTEDZ4UT · pith_short_8: UAYWAGSU

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/UAYWAGSUYTEDZ4UTKNDRZPD2PB \
  | 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: a031601a54c4c83cf29353471cbc7a7841275631a750086464fee749b90988e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af58a73e321317ce2b4a665299e35a6be8b658ff587c5b94f1d580135f7da6df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-12-27T15:10:44Z",
    "title_canon_sha256": "d4a79fc4add327485a8cc6164f8808cf80a4b5e72e1a2d27a3721f415a9d9a1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.09597",
    "kind": "arxiv",
    "version": 1
  }
}