Pith Number

pith:YPGSDFF6

pith:2018:YPGSDFF63BK4OPHKJG7JCMXPFJ

not attested not anchored not stored refs pending

Analysis of variable-step/non-autonomous artificial compression methods

Michael McLaughlin, Robin Ming Chen, William Layton

arxiv:1809.04650 v2 · 2018-09-12 · 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{YPGSDFF63BK4OPHKJG7JCMXPFJ}

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	2026-05-17T23:47:20.417051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3cd2194bed855c73cea49be9132ef2a62de4ec4efadf959b744c3be1e0d958e

Aliases

arxiv: 1809.04650 · arxiv_version: 1809.04650v2 · doi: 10.48550/arxiv.1809.04650 · pith_short_12: YPGSDFF63BK4 · pith_short_16: YPGSDFF63BK4OPHK · pith_short_8: YPGSDFF6

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/YPGSDFF63BK4OPHKJG7JCMXPFJ \
  | 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: c3cd2194bed855c73cea49be9132ef2a62de4ec4efadf959b744c3be1e0d958e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eae49b1739db304874e11c1e332e4cfe64c4934e93ed368b1c655773a42e60a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-09-12T20:04:41Z",
    "title_canon_sha256": "c00aa2c1758cf1f1c1f1a797c4a8d3e450f15202c43c3b8aac9e9c9a9611aceb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04650",
    "kind": "arxiv",
    "version": 2
  }
}