OT-2026-000003495
Publication integrity record
Vacuum gripper with pressure verification before the lift is permitted
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-2026-000003495) never changes.
Identity and time
| Publication number | OT-2026-000003495 · never reused |
|---|---|
| Internal UUID | 01a0a906-476b-7b2f-975f-8ba3153d0a55 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:02:36.210478Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003495 |
| Status | PUBLIC |
Content hashes
| Canonical text | e6f2fa5a8486ec07d6b3efbb11f3a32dc2a0a8e213b16a5bf12b1f807e0f08e2 |
|---|---|
| Markdown | ed85b297368dc36635cfdd518a4b4a78c103792b35193522953e5f78d72bb73a |
| Publication page | 297b909f4cdf847b3c34d5a9d7a9ff19a95578414e03e9fa7740fee4bb78f300 |
| Manifest | a486dafc9e7a13908820d4012fb00a16f7cbcdd1c96e02c840a2a10b446fe911 |
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 | VDwnMV0Vsc7Y/JAH/BLecDQXTrT9/0ibbn0O34UjCh8hO4Wqcl/HTo5XwwqN2uz1Y7tpBl6IpbGoEx567hQ5Cg== |
| 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
| 2026-09-16T09:00:35.745866Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003495observed 297b909f4cdf847b3c34d5a9d7a9ff19...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:00:35.730259Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003495/manifest.jsonobserved a486dafc9e7a13908820d4012fb00a16...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:35.711710Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003495/publication.mdobserved ed85b297368dc36635cfdd518a4b4a78...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:35.696657Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003495/publication.txtobserved e6f2fa5a8486ec07d6b3efbb11f3a32d...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. |
|---|