Pith Number

pith:CP27FYOJ

pith:2018:CP27FYOJO4CQJEWCMBNFYL64JN

not attested not anchored not stored refs pending

Time-parallel iterative solvers for parabolic evolution equations

Iain Smears, Martin Neumuller

arxiv:1802.08126 v1 · 2018-02-22 · math.NA · cs.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{CP27FYOJO4CQJEWCMBNFYL64JN}

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	2026-06-04T19:11:32.756102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13f5f2e1c977050492c2605a5c2fdc4b743c5805927836ac04f040debc0be9d0

Aliases

arxiv: 1802.08126 · arxiv_version: 1802.08126v1 · doi: 10.48550/arxiv.1802.08126 · pith_short_12: CP27FYOJO4CQ · pith_short_16: CP27FYOJO4CQJEWC · pith_short_8: CP27FYOJ

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/CP27FYOJO4CQJEWCMBNFYL64JN \
  | 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: 13f5f2e1c977050492c2605a5c2fdc4b743c5805927836ac04f040debc0be9d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf9c1e4c9804fae177bcb36f4255f924967fdbeb895d9de59619bc9e6526cae1",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-02-22T16:08:16Z",
    "title_canon_sha256": "a67d1fbac861bb3c4f1f1165df8d0022ed02c0f0a6b3d2815bba35de2fdab75f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08126",
    "kind": "arxiv",
    "version": 1
  }
}