Pith Number

pith:32PMJI6M

pith:2018:32PMJI6MMR333CLE3ROJLGGTVL

not attested not anchored not stored refs pending

Performing Mathematical Operations using High-Index Acoustic Metamaterials

Farzad Zangeneh-Nejad, Romain Fleury

arxiv:1803.02589 v1 · 2018-03-07 · 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{32PMJI6MMR333CLE3ROJLGGTVL}

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	2026-05-18T00:09:15.796522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de9ec4a3cc6477bd8964dc5c9598d3aae34f7e2b37dd51c0ad6e5735db7d9961

Aliases

arxiv: 1803.02589 · arxiv_version: 1803.02589v1 · doi: 10.48550/arxiv.1803.02589 · pith_short_12: 32PMJI6MMR33 · pith_short_16: 32PMJI6MMR333CLE · pith_short_8: 32PMJI6M

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/32PMJI6MMR333CLE3ROJLGGTVL \
  | 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: de9ec4a3cc6477bd8964dc5c9598d3aae34f7e2b37dd51c0ad6e5735db7d9961

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edc9b625281aa5be38c4bdd2f6ca646a4034d4b5a66f617093d21cd1546f61ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2018-03-07T10:52:05Z",
    "title_canon_sha256": "8f06bd114a7e76b329e21faf1594409d8953967b4a04700c9893005396442c86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.02589",
    "kind": "arxiv",
    "version": 1
  }
}