OT-2026-000004263
Publication integrity record
Bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pressure verified
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-2026-000004263) never changes.
Identity and time
| Publication number | OT-2026-000004263 · never reused |
|---|---|
| Internal UUID | 01a0a912-cf31-71b8-96fa-594fe0e208ea · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:16:17.334212Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004263 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2956fef9ea32bd8b2aaf3ae0640e4e13bff37b73f199fc3c0d4b8b722b780c8b |
|---|---|
| Markdown | 5f6202570e64d038cf804c6f4eab1d291be936e2e54b577d8464b273896520e4 |
| Publication page | dc4c85d0dc94f03135f16a76d314b59fb7fe9081adb4c59e6f04027a1d5a7649 |
| Manifest | a15133af6b953716265f44338e3961841b31998eaef0e7a84f9373e3f4c57493 |
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 | GhfJt3TCMUwYhzpkpvgtdgnLX0dFc96u3KIBiP7x1d0sL+SgQZxREIvnf4kUXQPNndr+D10F/ozF8BiGzMRjAw== |
| 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
| 2026-09-16T07:20:17.699291Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004263observed dc4c85d0dc94f03135f16a76d314b59f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:17.686906Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004263/manifest.jsonobserved a15133af6b953716265f44338e396184...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:17.670625Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004263/publication.mdobserved 5f6202570e64d038cf804c6f4eab1d29...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:17.654546Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004263/publication.txtobserved 2956fef9ea32bd8b2aaf3ae0640e4e13...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. |
|---|