Pith Number

pith:OEOGZFOD

pith:2018:OEOGZFOD6BBHATA72C7R2H476I

not attested not anchored not stored refs pending

A posteriori error estimates for the Laplace-Beltrami operator on parametric $C^2$ surfaces

Alan Demlow, Andrea Bonito

arxiv:1802.01625 v2 · 2018-02-05 · 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{OEOGZFOD6BBHATA72C7R2H476I}

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	2026-05-17T23:53:57.902276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

711c6c95c3f042704c1fd0bf1d1f9ff20ad7c2486ebceb8b14c4cd2a0b35ba58

Aliases

arxiv: 1802.01625 · arxiv_version: 1802.01625v2 · doi: 10.48550/arxiv.1802.01625 · pith_short_12: OEOGZFOD6BBH · pith_short_16: OEOGZFOD6BBHATA7 · pith_short_8: OEOGZFOD

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/OEOGZFOD6BBHATA72C7R2H476I \
  | 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: 711c6c95c3f042704c1fd0bf1d1f9ff20ad7c2486ebceb8b14c4cd2a0b35ba58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e9eeaff2c62493a7c341fec0f8a889b4c0473d5cbfe56d7b2165f3e71e8d71e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-02-05T19:58:22Z",
    "title_canon_sha256": "ef29313b90749876f42a94f1f383d632e951163671ba429561d422da80f084c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01625",
    "kind": "arxiv",
    "version": 2
  }
}