OT-2026-000090476
Publication integrity record
Four cup vacuum gripper, four zone face, pump fed, 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-2026-000090476) never changes.
Identity and time
| Publication number | OT-2026-000090476 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2e-7d6c-9322-81b913bc5c4b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090476 |
| Status | PUBLIC |
Content hashes
| Canonical text | 501607e6b33a8e7259ff20c109eb85f422cd0a114b563078ec5cccbe0ceb50c5 |
|---|---|
| Markdown | 3ef69e4418fe1ee78f84ed26cb1aa42334f88178da2b6f901bd014a4a130f5f3 |
| Publication page | 2bdc631d0ddf4743da5f6494f7469312a4e8169730c02e47cb59c0d53acdbb05 |
| Manifest | 0d2deca00f07f0375b173967e5113a60eca62f0d51290336dcd0b5c9e6a88718 |
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 | GEptjiapeyf46647Ubj3SmzSlPDiJNzInvVgaxbqGRxDD4d2lg9rxrNcUUEDKzRohgQxCOSvGtPHV9y0AwIgDA== |
| 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
| 2026-09-17T09:44:36.256816Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090476observed 2bdc631d0ddf4743da5f6494f7469312...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:36.239055Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090476/manifest.jsonobserved 0d2deca00f07f0375b173967e5113a60...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:36.219210Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090476/publication.mdobserved 3ef69e4418fe1ee78f84ed26cb1aa423...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:36.199665Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090476/publication.txtobserved 501607e6b33a8e7259ff20c109eb85f4...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. |
|---|