Pith Number

pith:QVAL5GY5

pith:2018:QVAL5GY5VFXEQNTTROVB4KFMAE

not attested not anchored not stored refs pending

Strong PUFs from arrays of resonant tunnelling diodes

Benjamin Astbury, Ibrahim Ethem Bagci, James Sexton, Mohamed Missous, Ramon Bernardo Gavito, Robert J. Young, Thomas McGrath, Utz Roedig

arxiv:1805.03246 v1 · 2018-04-23 · 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{QVAL5GY5VFXEQNTTROVB4KFMAE}

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	2026-05-18T00:16:20.672011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8540be9b1da96e4836738baa1e28ac01156e72d075aba135dc83665e5c06c09d

Aliases

arxiv: 1805.03246 · arxiv_version: 1805.03246v1 · doi: 10.48550/arxiv.1805.03246 · pith_short_12: QVAL5GY5VFXE · pith_short_16: QVAL5GY5VFXEQNTT · pith_short_8: QVAL5GY5

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/QVAL5GY5VFXEQNTTROVB4KFMAE \
  | 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: 8540be9b1da96e4836738baa1e28ac01156e72d075aba135dc83665e5c06c09d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f871a7087afe4a1fb052d43df0f5cb40602bf9c84134e9d88fd975ef0c1adf1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2018-04-23T13:06:15Z",
    "title_canon_sha256": "dfffa1af3361213d9f05e86f82f9ef89bcd55cf854bbf9bdc60a14b48913339c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03246",
    "kind": "arxiv",
    "version": 1
  }
}