Pith Number

pith:KVPXQYE4

pith:2019:KVPXQYE4XHXK2CB26K7TC7TLEE

not attested not anchored not stored refs pending

3D photo-responsive optical devices manufactured by advanced printing technologies

(2) NEST, 3), (3) Dipartimento di Fisica, A. Camposeo (1) ((1) NEST, A. Portone (1), A. Szukalski (1), D. Pisignano (1, F. D'Elia (2), Istituto Nanoscienze-CNR, Italy, Italy), L. Persano (1), Pisa, Scuola Normale Superiore, S. Uttiya (1), Universit\`a di Pisa

arxiv:1904.06255 v1 · 2019-04-12 · physics.app-ph · physics.optics

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

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	2026-05-17T23:48:43.741176Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

555f78609cb9eead083af2bf317e6b2102e282f2fefacf5901c0907b5e4d1ae1

Aliases

arxiv: 1904.06255 · arxiv_version: 1904.06255v1 · doi: 10.48550/arxiv.1904.06255 · pith_short_12: KVPXQYE4XHXK · pith_short_16: KVPXQYE4XHXK2CB2 · pith_short_8: KVPXQYE4

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/KVPXQYE4XHXK2CB26K7TC7TLEE \
  | 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: 555f78609cb9eead083af2bf317e6b2102e282f2fefacf5901c0907b5e4d1ae1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ba5e6828508de6bb495d49b53be1f49baa714c52ebb22c1c9f9ae677b96211e",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-04-12T14:38:13Z",
    "title_canon_sha256": "13bc0e7f4dcd7238073db6e536097dafbcf61ddcbf61dd997cf9cd057808b451"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.06255",
    "kind": "arxiv",
    "version": 1
  }
}