OT-2026-000079564
Publication integrity record
Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, 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-2026-000079564) never changes.
Identity and time
| Publication number | OT-2026-000079564 · never reused |
|---|---|
| Internal UUID | 01a0ae96-0b92-7bcf-bc8c-667f36cb7406 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:44.101434Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000079564 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3e0437cf405a1214eaf3bb9d3e9a25e8421e1a08902eb06e923f482a3b636ea1 |
|---|---|
| Markdown | f125820827720131abac5763e2b50e6891347ddf13ce9dfecefc5a5efba56a09 |
| Publication page | e9283bfa7432335bd53ff6bd865290170944ef9bcbffa8dc16428e517284b24a |
| Manifest | 74bfdd36d02d2f2b5cc1f62cc5e7d3e9c3aeaff5004041bf929d9c68920ba6cb |
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 | UgqEfuuShjVw8z5/+FtBUlLZXIJRNDgLsAQO5rrPvb31cMYEVAf5TfpO0+Hac/illpgcBK5MF7ikLkwfN3wnDw== |
| 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
| 2026-10-11T12:41:17.219026Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079564observed e9283bfa7432335bd53ff6bd86529017...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-11T12:41:17.125028Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079564/manifest.jsonobserved 74bfdd36d02d2f2b5cc1f62cc5e7d3e9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T12:41:17.045159Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079564/publication.mdobserved f125820827720131abac5763e2b50e68...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T12:41:16.960926Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079564/publication.txtobserved 3e0437cf405a1214eaf3bb9d3e9a25e8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:41:29.274155Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079564observed e9283bfa7432335bd53ff6bd86529017...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:41:29.138991Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079564/manifest.jsonobserved 74bfdd36d02d2f2b5cc1f62cc5e7d3e9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:41:29.047039Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079564/publication.mdobserved f125820827720131abac5763e2b50e68...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:41:28.917075Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079564/publication.txtobserved 3e0437cf405a1214eaf3bb9d3e9a25e8...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|