OT-2026-000090257
Publication integrity record
Two bellows cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, sustained 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-2026-000090257) never changes.
Identity and time
| Publication number | OT-2026-000090257 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-4290-7a77-a578-155aa3f4a591 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:31.390046Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090257 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4170545fab3c193a9092589e25ac0fa3a0ca9586e8d42ab12dd297bc35bccc37 |
|---|---|
| Markdown | a28f63783e25e49c711211aa59deed644e52da6461aba73ec89eef04fef886c3 |
| Publication page | d9381e892ea054d78f233fc0663b9ad14052177850d86b50bb8b26dbe1397401 |
| Manifest | a58a8bf07a1a53ac4ebe44d9e4f8dd71fdb46bd8b1214b820d385742a16ab871 |
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 | X/8WhT+Fs3w3QDLynsKVayNTZKoZG4BP1KpW6wBm8st4Co9q5tXi5aYQVnqeAYOO+knf6DspU64tDAy3xdsiCg== |
| 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
| 2026-09-17T09:46:19.977980Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090257observed d9381e892ea054d78f233fc0663b9ad1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:46:19.959010Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090257/manifest.jsonobserved a58a8bf07a1a53ac4ebe44d9e4f8dd71...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:19.940239Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090257/publication.mdobserved a28f63783e25e49c711211aa59deed64...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:19.922410Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090257/publication.txtobserved 4170545fab3c193a9092589e25ac0fa3...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. |
|---|