Pith Number

pith:O2CTLH5I

pith:2018:O2CTLH5I6OK6URXOYYRAV5G65P

not attested not anchored not stored refs pending

Computing the Dirichlet-Neumann Operator on a Cylinder

Jon Wilkening, Saad Qadeer

arxiv:1808.00658 v2 · 2018-08-02 · 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{O2CTLH5I6OK6URXOYYRAV5G65P}

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	2026-05-17T23:51:05.582430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7685359fa8f395ea46eec6220af4deebcb9019a4b1680091b17406324bb06884

Aliases

arxiv: 1808.00658 · arxiv_version: 1808.00658v2 · doi: 10.48550/arxiv.1808.00658 · pith_short_12: O2CTLH5I6OK6 · pith_short_16: O2CTLH5I6OK6URXO · pith_short_8: O2CTLH5I

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/O2CTLH5I6OK6URXOYYRAV5G65P \
  | 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: 7685359fa8f395ea46eec6220af4deebcb9019a4b1680091b17406324bb06884

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfc4f08c76e43917121766567898f3877c95617c90221d41be8ffc41d67790f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-08-02T04:00:53Z",
    "title_canon_sha256": "76a86f32c55b77ea38f019cc327e6e9e758e90b2ae68dd3552ce1c2cc6b8cf52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.00658",
    "kind": "arxiv",
    "version": 2
  }
}