OT-2026-000040521
Publication integrity record
Single cup vacuum gripper, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000040521) never changes.
Identity and time
| Publication number | OT-2026-000040521 · never reused |
|---|---|
| Internal UUID | 01a0ae79-6d0d-74c1-81c6-e5bbbe3489db · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:26:28.516236Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000040521 |
| Status | PUBLIC |
Content hashes
| Canonical text | 70fd8587a36aefb153743a71780c20602e919b08d33db02455fc29127b090dbe |
|---|---|
| Markdown | 8540d7df858a858799a03a8138065ceb8fa1f9c835f7dc0b59313f734657185c |
| Publication page | e488c69a8052fa1085f1193867885ce4b48e0b8eab9edee352fdd69858873c1d |
| Manifest | c8ab062a71797ec2958a8300ac3e2d288fb1363d72920c7b564b954402de974d |
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 | Xt1s3xShrvmJ7gYX++Sh8ZKQegesWHT14+pz0lOK8Q9Ox8OZylV7N9J4EcVev/+LbHipmAQcIOmMltVVTCL7Aw== |
| 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
| 2026-09-17T11:17:40.016489Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040521observed e488c69a8052fa1085f1193867885ce4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:17:39.996943Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040521/manifest.jsonobserved c8ab062a71797ec2958a8300ac3e2d28...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:17:39.976324Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040521/publication.mdobserved 8540d7df858a858799a03a8138065ceb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:17:39.958394Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040521/publication.txtobserved 70fd8587a36aefb153743a71780c2060...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. |
|---|