OT-2026-000021642
Publication integrity record
Foam pad vacuum gripper, three 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-2026-000021642) never changes.
Identity and time
| Publication number | OT-2026-000021642 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7ee8-acc9-2e6abac07760 · 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-2026-000021642 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7ff48421bc4bee2d4460d143fd2a32a5333c19c187652b3675fe751582d2b4fc |
|---|---|
| Markdown | 6fb6629b19f145fc8e7481ec17666b83de1f4a77768fd6bd4f283ef262f3c412 |
| Publication page | 9e701ebc47fd8457accedc8c4905a3cd001d60e919b1b3cf04c41e55decf55a2 |
| Manifest | 8db6e52395c5b1f6fd70bbd9e5120d0fb041c4cef19ef0a02b071ced306b1bdc |
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 | P5M4SAO2+sRAMlV37D1xukIpqFscZE6AEjy1p1D2aDYD9E1UK3EmnRCJvQ9TsI/Z1zVmGPHb9rczUHjrxlAOCw== |
| 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
| 2026-09-17T11:54:10.781757Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021642observed 9e701ebc47fd8457accedc8c4905a3cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:10.765756Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021642/manifest.jsonobserved 8db6e52395c5b1f6fd70bbd9e5120d0f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:10.749692Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021642/publication.mdobserved 6fb6629b19f145fc8e7481ec17666b83...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:10.733427Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021642/publication.txtobserved 7ff48421bc4bee2d4460d143fd2a32a5...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. |
|---|