Pith Number

pith:UKQC26NF

pith:2009:UKQC26NFAGS57UXFQ4VCY6OMSW

not attested not anchored not stored refs pending

Adaptive mesh reconstruction: Total Variation Bound

Nikolaos Sfakianakis

arxiv:0908.4402 v1 · 2009-08-30 · 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{UKQC26NFAGS57UXFQ4VCY6OMSW}

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	2026-06-03T23:06:28.445947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2a02d79a501a5dfd2e5872a2c79cc95a985119df6eea4acb7ef99a012f70cfe

Aliases

arxiv: 0908.4402 · arxiv_version: 0908.4402v1 · doi: 10.48550/arxiv.0908.4402 · pith_short_12: UKQC26NFAGS5 · pith_short_16: UKQC26NFAGS57UXF · pith_short_8: UKQC26NF

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/UKQC26NFAGS57UXFQ4VCY6OMSW \
  | 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: a2a02d79a501a5dfd2e5872a2c79cc95a985119df6eea4acb7ef99a012f70cfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d568b529b9e212d3c9872529b96ad87d87da988791d1f769b1989e800521bf9",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2009-08-30T16:51:38Z",
    "title_canon_sha256": "4a2a2b09570720c52403e5f3f8bac6bcf30079212057d1bb4a4d6fdcdd8b34fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.4402",
    "kind": "arxiv",
    "version": 1
  }
}