OT-2026-000004853
Publication integrity record
Bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, contact triggered
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-2026-000004853) never changes.
Identity and time
| Publication number | OT-2026-000004853 · never reused |
|---|---|
| Internal UUID | 01a0a925-696e-759d-99cc-f1e26fd4863d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:36:36.469765Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004853 |
| Status | PUBLIC |
Content hashes
| Canonical text | 40074e15ca42bdb4a9961b5bc2e6dca838c49451669744821985a698ad56f993 |
|---|---|
| Markdown | 3d44302e0b2989ab334a8b2d3c694dcf77246fe5d5be7d09632dc354ca335e03 |
| Publication page | 5a369d305f3d182d381afeaad9e38e6f8e8c0220e3ede019cb87225ea884e663 |
| Manifest | b5a23b1ee167ee347a319dd27369a7b3c5d858beacfa351be004715be7f84d55 |
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 | bob8UmrHe78t5sBYDUK3o07gsNmFQxqgGzZZO/g4KdEMvb9o2eoeCgX2kIDTTT9CdgCsOIfFD6LeeVLDtuNlDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-10-06T04:41:50.053144Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004853observed 5a369d305f3d182d381afeaad9e38e6f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-06T04:41:49.960755Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004853/manifest.jsonobserved b5a23b1ee167ee347a319dd27369a7b3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T04:41:49.889808Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004853/publication.mdobserved 3d44302e0b2989ab334a8b2d3c694dcf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T04:41:49.747786Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004853/publication.txtobserved 40074e15ca42bdb4a9961b5bc2e6dca8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:11.944187Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004853observed 5a369d305f3d182d381afeaad9e38e6f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:11.929996Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004853/manifest.jsonobserved b5a23b1ee167ee347a319dd27369a7b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:11.914161Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004853/publication.mdobserved 3d44302e0b2989ab334a8b2d3c694dcf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:11.900433Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004853/publication.txtobserved 40074e15ca42bdb4a9961b5bc2e6dca8...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|