OT-2026-000013508
Publication integrity record
Single bellows cup vacuum gripper, three 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-2026-000013508) never changes.
Identity and time
| Publication number | OT-2026-000013508 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-6fcb-7f92-ac19-b27e2d082361 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:22.837188Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013508 |
| Status | PUBLIC |
Content hashes
| Canonical text | 750324b002f36d9861268c9d91c93a262766bfa7e8ad892f8f2598d6aef37b3a |
|---|---|
| Markdown | 9d07c3a1397d1b589fe937bb789153cfeb22515e00608501d37e38d162e93772 |
| Publication page | 88fadd45448d704a2de90def15d265b0fee22d3aaab37b4c22b8727903ee2d1a |
| Manifest | 04f33f6260612a703f58958546efaa393227e9e2975f96e1b6584328879700fc |
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 | 4OZTZMarLsNUVVINyUjrPZ0KAEz+E36THy9Oir0MCxkj8kHVISREjzXXQjCgk84M/Jw9J4XD32x+O+YJlSuOCw== |
| 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
| 2026-09-17T12:10:01.187494Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013508observed 88fadd45448d704a2de90def15d265b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:10:01.167441Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013508/manifest.jsonobserved 04f33f6260612a703f58958546efaa39...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:01.147289Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013508/publication.mdobserved 9d07c3a1397d1b589fe937bb789153cf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:01.126980Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013508/publication.txtobserved 750324b002f36d9861268c9d91c93a26...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. |
|---|