Pith Number

pith:ZRO4RRDA

pith:2017:ZRO4RRDART4NCVA5B4XK3VVKC5

not attested not anchored not stored refs pending

A Non-Intrusive Parallel-in-Time Adjoint Solver with the XBraid Library

Jacob B. Schroder, Nicolas R. Gauger, Stefanie G\"unther

arxiv:1705.00663 v2 · 2017-05-01 · 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{ZRO4RRDART4NCVA5B4XK3VVKC5}

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	2026-05-18T00:25:34.468732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc5dc8c4608cf8d1541d0f2eadd6aa1741385143821cc66d0ea3f4e8857a6af1

Aliases

arxiv: 1705.00663 · arxiv_version: 1705.00663v2 · doi: 10.48550/arxiv.1705.00663 · pith_short_12: ZRO4RRDART4N · pith_short_16: ZRO4RRDART4NCVA5 · pith_short_8: ZRO4RRDA

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/ZRO4RRDART4NCVA5B4XK3VVKC5 \
  | 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: cc5dc8c4608cf8d1541d0f2eadd6aa1741385143821cc66d0ea3f4e8857a6af1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d34d58e6d836af412b815c2e3e45e71e4d256264421048bfd3d620365a463d16",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-05-01T18:54:49Z",
    "title_canon_sha256": "d6a578e33838ee6d1d3ca0ad04c5b0be9faea9f1fed35e05d652f1540a39d323"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.00663",
    "kind": "arxiv",
    "version": 2
  }
}