OT-2026-000005564
Publication integrity record
Porous face vacuum gripper, common isolation valve, two stage ejector
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-2026-000005564) never changes.
Identity and time
| Publication number | OT-2026-000005564 · never reused |
|---|---|
| Internal UUID | 01a0a93d-5541-76be-8f67-4161451d82b9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:02:44.164298Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005564 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2fbf39d78c0d832cc866726b5242e17b56280ff0a6b67ccc28272414c0b4fdde |
|---|---|
| Markdown | 9df10e94fc3f2d6c0779c05a165b1a55661f34f268eb11f3821af2ed531b0dc0 |
| Publication page | 87e26f4b576f67ec4785f27e7928237d51216d8af3c158a689029bdc90daf4d1 |
| Manifest | c9d27bf6d3cb3e2c5a5b487b37e89ea92ebb0c9e266a9095e7f2c137ffe2151a |
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 | FFfUEouJCqlh0/kAIp1j3Qe2o9ORACtAO76+4burcIZFH5+WUn1JEq3AcOomGky87PBu9sh3pa11m3KT7ycWCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:10:26.194812Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005564observed 87e26f4b576f67ec4785f27e7928237d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:10:26.181679Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005564/manifest.jsonobserved c9d27bf6d3cb3e2c5a5b487b37e89ea9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:26.167806Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005564/publication.mdobserved 9df10e94fc3f2d6c0779c05a165b1a55...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:26.153922Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005564/publication.txtobserved 2fbf39d78c0d832cc866726b5242e17b...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. |
|---|