OT-2026-000020039
Publication integrity record
Foam pad 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-2026-000020039) never changes.
Identity and time
| Publication number | OT-2026-000020039 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb7-7637-9b61-c9f747eb6b4a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020039 |
| Status | PUBLIC |
Content hashes
| Canonical text | ffe3784d483d6730358bdcfde0a57c938f93c8d5040a675ba534d263e22c539e |
|---|---|
| Markdown | 4d34de74646e4048044b600c0eefdee98c812b581d1843ebe75393e79102274f |
| Publication page | ef0c9c4845e9b8388f261de252666151b649506ab9417f6a37fd5d5b9208870b |
| Manifest | 4ff28f994c931ab7698005821b39e160eb5dae447eabcc20452eec4e55916312 |
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 | 1Iyzaza95/KD24vM7jAfcU6Ie0B3CB8upt9yOM9oWJtfy9BdyVIhGS4XjcL5DM7z9Rm/6lu8Kwoad+sN0zQDBw== |
| 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
| 2026-09-17T11:58:17.814983Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020039observed ef0c9c4845e9b8388f261de252666151...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:17.797724Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020039/manifest.jsonobserved 4ff28f994c931ab7698005821b39e160...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:17.779260Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020039/publication.mdobserved 4d34de74646e4048044b600c0eefdee9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:17.762067Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020039/publication.txtobserved ffe3784d483d6730358bdcfde0a57c93...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. |
|---|