OT-2026-000077172
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single stage ejector, vented 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-2026-000077172) never changes.
Identity and time
| Publication number | OT-2026-000077172 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f507-7f84-92ea-3ac8a59b99c2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:32.796581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077172 |
| Status | PUBLIC |
Content hashes
| Canonical text | bfea45e9de1c9ca2624a799bb62af273b4e82d94eb3a7bd9c0f9ddd137d65ef0 |
|---|---|
| Markdown | 98dbe21ba7ee3a75528497631de293a6e7d378a15c6aeb11ffccfe4f3451b4c9 |
| Publication page | 16585c50ce47628a4055185c8b36046c1f0e6d9990aa1f2cf4a76ce284f68e60 |
| Manifest | c125bc09f39a2414c6cdf252c7d71a540cae19c1ba6269d261a7beda52aecb50 |
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 | uW8Rw0lqRLBWDFiiNgj1WLkzK6yUIvlIheq1/+BeZp5r7tyuYo1NpC4ssXJL7eqRNXlWx5dh2u4RKhcUzIVHBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:10:55.757517Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077172observed 16585c50ce47628a4055185c8b36046c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:10:55.737472Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077172/manifest.jsonobserved c125bc09f39a2414c6cdf252c7d71a54...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:10:55.718343Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077172/publication.mdobserved 98dbe21ba7ee3a75528497631de293a6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:10:55.698643Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077172/publication.txtobserved bfea45e9de1c9ca2624a799bb62af273...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:24.468070Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077172observed 16585c50ce47628a4055185c8b36046c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:24.448834Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077172/manifest.jsonobserved c125bc09f39a2414c6cdf252c7d71a54...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:24.427395Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077172/publication.mdobserved 98dbe21ba7ee3a75528497631de293a6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:24.409578Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077172/publication.txtobserved bfea45e9de1c9ca2624a799bb62af273...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. |
|---|