OT-2026-000011992
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, 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-2026-000011992) never changes.
Identity and time
| Publication number | OT-2026-000011992 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-1943-7676-9f45-3100ae96986a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:00.631271Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000011992 |
| Status | PUBLIC |
Content hashes
| Canonical text | e335cd030bc16bf6695498f7fe254ffa2dee3c1b38a5a6a9b6785b28768557a1 |
|---|---|
| Markdown | c3ec565c7ac3afc4f6e33094267ad3a8330bb9970bc8f30d90f1d51274c06ca6 |
| Publication page | 114d9c46b61d99802dc9e8fbbb2f415a9289cabe6be296806cba4633200a4371 |
| Manifest | cffaceb3a233416cb7aa5713460d7e11820c190b09ff3bb38edbd494a089d727 |
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 | Y6Bj1cuDf9rNCvbUKby60XYQGx7I+BqEWem0fXxQ8zSeeALj7UPwC8VC+zXqTEhAdC7wWXZQ92e5WbnkiORQBg== |
| 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
| 2026-09-17T12:12:51.241656Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011992observed 114d9c46b61d99802dc9e8fbbb2f415a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:12:51.221792Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011992/manifest.jsonobserved cffaceb3a233416cb7aa5713460d7e11...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:51.200813Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011992/publication.mdobserved c3ec565c7ac3afc4f6e33094267ad3a8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:51.181764Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011992/publication.txtobserved e335cd030bc16bf6695498f7fe254ffa...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. |
|---|