Pith Number

pith:EIGYHHNS

pith:2017:EIGYHHNSFQ2YMSB32JVXMT5K5B

not attested not anchored not stored refs pending

On the construction of multiscale surrogates for design optimization of acoustical materials

Camille Perrot, Johann Guilleminot, Van Hai Trinh

arxiv:1712.03815 v2 · 2017-12-11 · physics.app-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EIGYHHNSFQ2YMSB32JVXMT5K5B}

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	2026-05-18T00:27:04.301802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

220d839db22c3586483bd26b764faae84eb914f21b3b19fd5328f2d460f2d987

Aliases

arxiv: 1712.03815 · arxiv_version: 1712.03815v2 · doi: 10.48550/arxiv.1712.03815 · pith_short_12: EIGYHHNSFQ2Y · pith_short_16: EIGYHHNSFQ2YMSB3 · pith_short_8: EIGYHHNS

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/EIGYHHNSFQ2YMSB32JVXMT5K5B \
  | 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: 220d839db22c3586483bd26b764faae84eb914f21b3b19fd5328f2d460f2d987

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ffef6bd0d5ff7077252f0e011249b2fd870d4d1457cc91f1b1b2c02199f919a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2017-12-11T15:11:19Z",
    "title_canon_sha256": "af1094d622efb7d28b3c2f3950aac54c1b0a976eaa7dea1be8cb91c09e1d982b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.03815",
    "kind": "arxiv",
    "version": 2
  }
}