OT-2026-000021626
Publication integrity record
Foam pad vacuum gripper, 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-2026-000021626) never changes.
Identity and time
| Publication number | OT-2026-000021626 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-798f-b55f-fe7e68c6c631 · 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-2026-000021626 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0dd0ae2875d5b6391adc7afe085e8de187e63d2c015c5b8addeddb6dacad7d0a |
|---|---|
| Markdown | 02c14441968be78c93834135baf1fffd54a536f434568ec97d8b0183363d78c8 |
| Publication page | 1ba2562ab97d718a70a56d148e79fae823efb6685f364e928ec4c7c09fb038ca |
| Manifest | 9e4cc50de4bab6ab248b61c31f7c5713d6050d0eec79fc7acfdc66440571caea |
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 | diJGn+xtm21vz4vlE0i6Rj5GMqIJE7HKCijt05YVH7s543tBjp2CMGGD9cXSyQdMei9UODId0LMGryu7EAKrDg== |
| 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
| 2026-09-17T11:54:09.714922Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021626observed 1ba2562ab97d718a70a56d148e79fae8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:09.694228Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021626/manifest.jsonobserved 9e4cc50de4bab6ab248b61c31f7c5713...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:09.674479Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021626/publication.mdobserved 02c14441968be78c93834135baf1fffd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:09.645129Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021626/publication.txtobserved 0dd0ae2875d5b6391adc7afe085e8de1...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. |
|---|