OT-2026-000013608
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single stage ejector, pulsed blow-off before set-down, on a tool changer
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-2026-000013608) never changes.
Identity and time
| Publication number | OT-2026-000013608 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8de8-7145-af9e-e63bdba59637 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013608 |
| Status | PUBLIC |
Content hashes
| Canonical text | 58af275e57e75f062f76809dcec63a8a8eac7a4938ba9748d717446b74d9f33c |
|---|---|
| Markdown | da682968b4c56c7e2fef381f5bc5fc1ff76f27b671bdf56be28bd35023fffeef |
| Publication page | b6814b87a996e4ef7be75d7c6e35d984edb3d3d5a8a193fb8b3288589cb80fd2 |
| Manifest | 9f097e8030672e586d6785aa34bedb1777bd590de32ff711510162715db8e6e2 |
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 | YVVR9lPlrXm2cF3MIhvkAInIeQPBZMGFJYTL5JMH3oerhpBk0nJursoBjwsY/xxKfeKAc1iyy8RkbvAT3m25BQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-21T12:41:39.741427Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013608observed b6814b87a996e4ef7be75d7c6e35d984...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-21T12:41:39.655771Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013608/manifest.jsonobserved 9f097e8030672e586d6785aa34bedb17...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T12:41:39.550002Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013608/publication.mdobserved da682968b4c56c7e2fef381f5bc5fc1f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T12:41:39.438656Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013608/publication.txtobserved 58af275e57e75f062f76809dcec63a8a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:31.026693Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013608observed b6814b87a996e4ef7be75d7c6e35d984...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:31.008661Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013608/manifest.jsonobserved 9f097e8030672e586d6785aa34bedb17...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:30.989526Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013608/publication.mdobserved da682968b4c56c7e2fef381f5bc5fc1f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:30.970247Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013608/publication.txtobserved 58af275e57e75f062f76809dcec63a8a...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 |
|---|