Pith Number

pith:7JAIKG64

pith:2018:7JAIKG647VRY2HBOZ6CJQLHE3T

not attested not anchored not stored refs pending

PDE Acceleration: A convergence rate analysis and applications to obstacle problems

Anthony Yezzi, Jeff Calder

arxiv:1810.01066 v2 · 2018-10-02 · math.NA · cs.NA · math.AP · math.DS · 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{7JAIKG647VRY2HBOZ6CJQLHE3T}

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	2026-07-04T23:50:12.832867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa40851bdcfd638d1c2ecf84982ce4dcfa61e91eb261147201175feb3e7df3b8

Aliases

arxiv: 1810.01066 · arxiv_version: 1810.01066v2 · doi: 10.48550/arxiv.1810.01066 · pith_short_12: 7JAIKG647VRY · pith_short_16: 7JAIKG647VRY2HBO · pith_short_8: 7JAIKG64

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/7JAIKG647VRY2HBOZ6CJQLHE3T \
  | 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: fa40851bdcfd638d1c2ecf84982ce4dcfa61e91eb261147201175feb3e7df3b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2f7f0d0523774f8efac46aa095b85b338113d4f76d402611f224d7e5b82252d",
    "cross_cats_sorted": [
      "cs.NA",
      "math.AP",
      "math.DS",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-10-02T04:56:05Z",
    "title_canon_sha256": "4dadd0b60514bab5807c07a21f75b29638db9017aa27a132956cd81ad45e156f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.01066",
    "kind": "arxiv",
    "version": 2
  }
}