OT-2026-000021798
Publication integrity record
Foam pad vacuum gripper, common isolation valve, two stage ejector, 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-2026-000021798) never changes.
Identity and time
| Publication number | OT-2026-000021798 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7484-aeba-793f6e47adef · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021798 |
| Status | PUBLIC |
Content hashes
| Canonical text | d5fa3eff888466fb8cf0d2140f36cfc870d896adf4a6a0933d349cb13496daff |
|---|---|
| Markdown | 4f51c50069e92ae5fae841fdb869cd0e88f256ebd572e5058b4c1e3572cd0967 |
| Publication page | e18473aaf1a24db064d2d4820c097e4dc338db2eb2d6d0ad007e3c0ed0507685 |
| Manifest | 2b8fb24998ab0381e13b190ac82a3693ef1b3504c9f404fc6fff0f06e206b0f3 |
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 | 13xFUq/QbrRP/UfO+VbFBw2L2GUdAri9oxEvtWtfUTaVDInwU8MdCqcA1mjK2WZpfdQfhBVf4OpVFjE1AUIEAQ== |
| 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
| 2026-09-17T11:54:21.063739Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021798observed e18473aaf1a24db064d2d4820c097e4d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:21.045226Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021798/manifest.jsonobserved 2b8fb24998ab0381e13b190ac82a3693...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:21.026189Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021798/publication.mdobserved 4f51c50069e92ae5fae841fdb869cd0e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:21.007356Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021798/publication.txtobserved d5fa3eff888466fb8cf0d2140f36cfc8...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. |
|---|