Pith Number

pith:UIEIKFU6

pith:2013:UIEIKFU66R5RRAAWRCPGCW7BZ2

not attested not anchored not stored refs pending

A goal-oriented reduced basis method for the wave equation in inverse analysis

Khac Chi Hoang, Pierre Kerfriden, Stephane P.A. Bordas

arxiv:1305.3519 v1 · 2013-05-15 · physics.comp-ph · 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{UIEIKFU66R5RRAAWRCPGCW7BZ2}

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	2026-05-18T03:25:35.611837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a20885169ef47b188016889e615be1ce8e7932e1ac4a5f50f34f72fef1b9e87f

Aliases

arxiv: 1305.3519 · arxiv_version: 1305.3519v1 · doi: 10.48550/arxiv.1305.3519 · pith_short_12: UIEIKFU66R5R · pith_short_16: UIEIKFU66R5RRAAW · pith_short_8: UIEIKFU6

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/UIEIKFU66R5RRAAWRCPGCW7BZ2 \
  | 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: a20885169ef47b188016889e615be1ce8e7932e1ac4a5f50f34f72fef1b9e87f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9a7e5e4e0d75416ff6cf6ad7a69f03e25e0da20f8c732dedfb5864f810aa03f",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2013-05-15T15:15:59Z",
    "title_canon_sha256": "fd6b7dd01a162b32d0047b1011f24ed62136cf5f746700e47a3b8e644fc80572"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3519",
    "kind": "arxiv",
    "version": 1
  }
}