OT-2026-000012543
Publication integrity record
Four bellows cup vacuum gripper, four zone face, two 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-2026-000012543) never changes.
Identity and time
| Publication number | OT-2026-000012543 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-39f7-71d7-8d3c-ac3f87d51c92 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:08.998406Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012543 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1e07f9c4de05c36d3014ecf6c8046b663be121a6555928e335f2f9b5f136d33b |
|---|---|
| Markdown | 54f3f34feffa77af4eaa0843e7fa62fb549fc8172eefee11bf137e80c335e282 |
| Publication page | 08798badd859600f0d69d068d8e2e354f50b13cdf2a38f96702d6ace0097e3b1 |
| Manifest | 7f00be185938347ace1613a5239480807d49c2438584ba40b82c808b32e6d438 |
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 | 1rkz3OUYy9JHuqOWTKLv63i/SZsQcE37Scf0n97k819jSXJZZQbPUTpwoPgmvlNNGXyEMkGCbqvVzstIwWjXCA== |
| 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
| 2026-09-17T12:12:04.938578Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012543observed 08798badd859600f0d69d068d8e2e354...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:12:04.912843Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012543/manifest.jsonobserved 7f00be185938347ace1613a523948080...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:04.873660Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012543/publication.mdobserved 54f3f34feffa77af4eaa0843e7fa62fb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:04.843895Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012543/publication.txtobserved 1e07f9c4de05c36d3014ecf6c8046b66...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. |
|---|