OT-2026-000028524
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single stage ejector, sustained 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-2026-000028524) never changes.
Identity and time
| Publication number | OT-2026-000028524 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-7b2c-a134-b7f000eb9e0f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028524 |
| Status | PUBLIC |
Content hashes
| Canonical text | fa1cf80ba8587d839b9b82022215e81aa06feee4b60ac92a530989852c7f1df0 |
|---|---|
| Markdown | 109097d15b339977b816d59f3bb86923c6ab31993ff6abd402a3696a4784ec51 |
| Publication page | bb66863a62e4aa197d7397a4d23b8de09dd80a27369437d2974cf1ddf98c98fb |
| Manifest | 8521a7cdc87814432eb2ab2d72f2abd252636fd4efecc4d7d82da5e053c75359 |
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 | WJ5gNsNZMElMoGTHvjFpc0ZU8QN1r+A3tUlICQ6ep1ji1OhA0LM2VTz+7SBRXPH4FIHp3ISkKSavz1mWXHHsAg== |
| 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
| 2026-09-17T11:40:47.710694Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028524observed bb66863a62e4aa197d7397a4d23b8de0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:47.692436Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028524/manifest.jsonobserved 8521a7cdc87814432eb2ab2d72f2abd2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:47.657053Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028524/publication.mdobserved 109097d15b339977b816d59f3bb86923...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:47.619944Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028524/publication.txtobserved fa1cf80ba8587d839b9b82022215e81a...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. |
|---|