OT-2026-000021602
Publication integrity record
Foam pad vacuum gripper, single 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-2026-000021602) never changes.
Identity and time
| Publication number | OT-2026-000021602 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-77c8-8b58-a8918f89bc68 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021602 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4d24e0c687c718acc701d878aee75613d525edfbbcff0d08bc909cb2b9d810c6 |
|---|---|
| Markdown | 7da444804e653a3feb5c23a85ee2c351416b9fc292997bf338486a36cd1daeb9 |
| Publication page | ba0172910637f13e43b454966031e87552f47b1fb433e9b87748a78821ac1e92 |
| Manifest | fdfdfc71a5c572b6287d28ca8aa35a76a156032c167f51d4f7e0d86cd795936f |
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 | /vGtXgNHyztSVfinpQOvH6+pLH1slpd+8erpAsBJd/VrFMelDQnJovtr46dg4advS94vrMLExbLP3aDdOJiADQ== |
| 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
| 2026-09-17T11:54:57.928821Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021602observed ba0172910637f13e43b454966031e875...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:57.911019Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021602/manifest.jsonobserved fdfdfc71a5c572b6287d28ca8aa35a76...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:57.891831Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021602/publication.mdobserved 7da444804e653a3feb5c23a85ee2c351...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:57.868783Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021602/publication.txtobserved 4d24e0c687c718acc701d878aee75613...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. |
|---|