Pith Number

pith:DSDZFFJC

pith:2017:DSDZFFJC6HBISHC5W2T2HDG2AQ

not attested not anchored not stored refs pending

FFT-based homogenization on periodic anisotropic translation invariant spaces

Dennis Merkert, Ronny Bergmann

arxiv:1701.04685 v1 · 2017-01-17 · 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{DSDZFFJC6HBISHC5W2T2HDG2AQ}

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	2026-05-17T23:58:54.820095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c87929522f1c2891c5db6a7a38cda040abbf4dd75f7b331356835a74a599621

Aliases

arxiv: 1701.04685 · arxiv_version: 1701.04685v1 · doi: 10.48550/arxiv.1701.04685 · pith_short_12: DSDZFFJC6HBI · pith_short_16: DSDZFFJC6HBISHC5 · pith_short_8: DSDZFFJC

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/DSDZFFJC6HBISHC5W2T2HDG2AQ \
  | 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: 1c87929522f1c2891c5db6a7a38cda040abbf4dd75f7b331356835a74a599621

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "531095aded0d66de03baef371ef5f2a2ee448910d16fb3094820e5bebbbfe942",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-01-17T14:17:09Z",
    "title_canon_sha256": "84a7bb4ae6f1a1dff0c17ac36a38fe9bc1af45c6b0459e7237a5cdda000d29ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.04685",
    "kind": "arxiv",
    "version": 1
  }
}