Pith Number

pith:EYSXK6ZF

pith:2016:EYSXK6ZFE75CW2QPX7YGAQ7IZY

not attested not anchored not stored refs pending

On spurious solutions in finite element approximations of resonances in open systems

Christian Engstr\"om, Juan Carlos Araujo-Cabarcas

arxiv:1606.09635 v2 · 2016-06-30 · 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{EYSXK6ZFE75CW2QPX7YGAQ7IZY}

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	2026-05-18T00:46:49.317242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2625757b2527fa2b6a0fbff06043e8ce0b3e2e677498e64d86b777374d40ea06

Aliases

arxiv: 1606.09635 · arxiv_version: 1606.09635v2 · doi: 10.48550/arxiv.1606.09635 · pith_short_12: EYSXK6ZFE75C · pith_short_16: EYSXK6ZFE75CW2QP · pith_short_8: EYSXK6ZF

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/EYSXK6ZFE75CW2QPX7YGAQ7IZY \
  | 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: 2625757b2527fa2b6a0fbff06043e8ce0b3e2e677498e64d86b777374d40ea06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d63f1b08b404d6890f49011a53b6d6b39f6c16d069835d630ab0fc355564f9c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-06-30T19:46:59Z",
    "title_canon_sha256": "1c74d8aa08dcd3d5fc541283b84c86b05ac37b1a6effdcf9198b0f5b8b88dd87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.09635",
    "kind": "arxiv",
    "version": 2
  }
}