OT-2026-000004410
Publication integrity record
Vacuum cup gripper, four zone face, per zone isolation, 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-2026-000004410) never changes.
Identity and time
| Publication number | OT-2026-000004410 · never reused |
|---|---|
| Internal UUID | 01a0a916-c473-780b-9e38-b5514ba7558a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:20:36.726467Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004410 |
| Status | PUBLIC |
Content hashes
| Canonical text | fc1ab38534d12952943b3b6fe786be9e0388c5b8134d7c5f1fe68fa4835c08f5 |
|---|---|
| Markdown | fd1e4d740b27d93042fb8de6a3047f36a4f986c4890a88f81f69071a45aca3be |
| Publication page | af68e2f54e7c07537a403044e4df1a52e8e13cace27f5231c9c4896d810c67c7 |
| Manifest | 2ad18044ea67326da1037786b844e80f5f8312553a7a78b29b057197a3e71115 |
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 | t9WsgRouLZtOqzIaKODiHf13JdUbcsnm6MGOx1wGnVtaswRSCOgnLjMWztmYyUdB7vQlPRHcceTvMw3hzAWWDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:30:30.670950Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004410observed af68e2f54e7c07537a403044e4df1a52...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:30.658177Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004410/manifest.jsonobserved 2ad18044ea67326da1037786b844e80f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:30.643271Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004410/publication.mdobserved fd1e4d740b27d93042fb8de6a3047f36...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:30.629594Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004410/publication.txtobserved fc1ab38534d12952943b3b6fe786be9e...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. |
|---|