OT-2026-000028683
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, 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-2026-000028683) never changes.
Identity and time
| Publication number | OT-2026-000028683 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-7266-bd3d-4bf87e0d77ed · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028683 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3360e12c7147b4acaee393de99fd37f277f21ced49ac7a26fe08edcb863f6598 |
|---|---|
| Markdown | 9a2d4c139ef747679ae23b5537f997188e8a943536dde8783d2b9091fac94ff9 |
| Publication page | 3496628ed0c9f81793b482a182e64b33a0047741f47aea0793f1ea50232e1813 |
| Manifest | 64dc7e68fc09b597b18f7475f22b53acbb74cbf0a7c07b0455569183573403ea |
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 | cDQ5pNLe8GqrWvQd2zh9rYCBYS7y2XgI9Zc+pC0cp8eHmbLhy7ZdxMoObx6Fr+43NNeSz0d+DTKEYPzACRI/CA== |
| 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
| 2026-09-17T11:41:34.461001Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028683observed 3496628ed0c9f81793b482a182e64b33...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:34.442001Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028683/manifest.jsonobserved 64dc7e68fc09b597b18f7475f22b53ac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:34.423810Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028683/publication.mdobserved 9a2d4c139ef747679ae23b5537f99718...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:34.407349Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028683/publication.txtobserved 3360e12c7147b4acaee393de99fd37f2...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. |
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