OT-2026-000006681
Publication integrity record
Vacuum cup gripper, common isolation valve, plant vacuum fed, vented after set down, polyurethane cups
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-2026-000006681) never changes.
Identity and time
| Publication number | OT-2026-000006681 · never reused |
|---|---|
| Internal UUID | 01a0a963-bda3-7b0d-b42f-b9e3a49e8b18 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:44:41.253748Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006681 |
| Status | PUBLIC |
Content hashes
| Canonical text | 82c197597f780f1ef958b041de16824d288a7c77c1b1e7952057f976eb8efa94 |
|---|---|
| Markdown | 2420baf1b32e5359ef78e7c1e0ca9eb99c02129b4577659e194a07a4946aa01c |
| Publication page | 4b7b1178fc5e8be4d28c96d564890a426c7ca78691d7ec814ee1ff62e9960bb3 |
| Manifest | 0ea4100149dd40eda69af3dfcb4b3b141a5c5ebdd3193f7a5428824d3dae040b |
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 | eg5otVu87phCRYrc7QteZK6tM/FPNXjELh6BPPXMu56P22/+JcVIiOfODkf5mjfMebcYFUmD25/ZFAoSH9PuDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-09-16T08:50:17.947331Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006681observed 4b7b1178fc5e8be4d28c96d564890a42...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:50:17.935555Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006681/manifest.jsonobserved 0ea4100149dd40eda69af3dfcb4b3b14...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:17.919267Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006681/publication.mdobserved 2420baf1b32e5359ef78e7c1e0ca9eb9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:17.905628Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006681/publication.txtobserved 82c197597f780f1ef958b041de16824d...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. |
|---|