OT-2026-000029856
Publication integrity record
Single bellows cup vacuum gripper, pump fed, 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-2026-000029856) never changes.
Identity and time
| Publication number | OT-2026-000029856 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac47-72b0-adce-1b3d3ef495d9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029856 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3b07b40d742289e2d7fef026552ae0b472eb3030fb6f1f837a38258a40207fce |
|---|---|
| Markdown | 4d59bf01013b29f500f129544c35606bb5d0368ecbb5e95b7b3735410b30c466 |
| Publication page | aad9b51735b76411437107049ee346b41938977438456ea8322b8c3ce84ba163 |
| Manifest | 644f1bc10bbb9eacf00c1cdd0807284a54735abb44d68f6d56e66da34d540fe1 |
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 | 4pa0x3N7uPWt0D0oygpX3rPk8YN0wGAcc3pigD6RfNq+lPSUpikRBxQ1J0j6fJl8EzaVaxaUV0lAKjaPkYF+Bg== |
| 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
| 2026-09-17T11:38:33.048775Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029856observed aad9b51735b76411437107049ee346b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:33.028249Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029856/manifest.jsonobserved 644f1bc10bbb9eacf00c1cdd0807284a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:33.007596Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029856/publication.mdobserved 4d59bf01013b29f500f129544c35606b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:32.989628Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029856/publication.txtobserved 3b07b40d742289e2d7fef026552ae0b4...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. |
|---|