Pith Number

pith:QKPC3S3S

pith:2011:QKPC3S3SN6KZHEJVFL7WQDHFQK

not attested not anchored not stored refs pending

Formulation and optimization of the energy-based blended quasicontinuum method

B. Van Koten, C. Ortner, M. Luskin

arxiv:1112.2377 v3 · 2011-12-11 · 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{QKPC3S3SN6KZHEJVFL7WQDHFQK}

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	2026-05-18T03:46:16.796661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

829e2dcb726f959391352aff680ce582ba6cbd8de5ce28273455d4988a89561a

Aliases

arxiv: 1112.2377 · arxiv_version: 1112.2377v3 · doi: 10.48550/arxiv.1112.2377 · pith_short_12: QKPC3S3SN6KZ · pith_short_16: QKPC3S3SN6KZHEJV · pith_short_8: QKPC3S3S

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/QKPC3S3SN6KZHEJVFL7WQDHFQK \
  | 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: 829e2dcb726f959391352aff680ce582ba6cbd8de5ce28273455d4988a89561a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "135eda4cea55872bc103a83958497da911c00f97feded8d95a7e98e92d968bc6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-12-11T17:43:38Z",
    "title_canon_sha256": "d4f3bfdc572956b10ec165cf16833fb2ee8b027b213ef439dd46bbb04c57d2fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.2377",
    "kind": "arxiv",
    "version": 3
  }
}