OT-2026-000003501
Publication integrity record
Bellows cup vacuum gripper with contact triggered evacuation of the gripping face
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000003501) never changes.
Identity and time
| Publication number | OT-2026-000003501 · never reused |
|---|---|
| Internal UUID | 01a0a906-d958-7d57-8770-799d5eadea7b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:03:13.499979Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003501 |
| Status | PUBLIC |
Content hashes
| Canonical text | 95fbdec7e165da394d45f7ff3f544decc47c87c77f83a2c762261aca025d264a |
|---|---|
| Markdown | dab16584a0bf830eee743678e40096a22c860654b93aee0d38838bae48500363 |
| Publication page | 079cff21688fca35d4a80c0973a164575d32d5c869903032044017d9488a8578 |
| Manifest | 02724f959127f0d6d2e2f9217d3bcb3f17ad0a3bf188e04f503a9a05768c7529 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | J+DUmqqxJNTxZoUE6Cyj3xy+yeXdFdr93tCYNZNLtXPv7P3m+0Dtb8Y9ewAHzidz0+SK8GZSuOCa0Z2HkPSIBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:07:02Z batch OT-TS-2026-W38-008 · RFC 3161 token · inclusion proof root e9da7eb1c397f1749e5915c5a39dbbcf... |
|---|
Independent retrieval
| 2026-09-16T09:00:34.916725Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003501observed 079cff21688fca35d4a80c0973a16457...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:00:34.900325Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003501/manifest.jsonobserved 02724f959127f0d6d2e2f9217d3bcb3f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:34.883082Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003501/publication.mdobserved dab16584a0bf830eee743678e40096a2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:34.717726Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003501/publication.txtobserved 95fbdec7e165da394d45f7ff3f544dec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|