OT-2026-000021759
Publication integrity record
Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000021759) never changes.
Identity and time
| Publication number | OT-2026-000021759 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-76f3-b043-0c9e4d0457a6 · 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-2026-000021759 |
| Status | PUBLIC |
Content hashes
| Canonical text | ba434cc67e7aa08bb9e61e88537091a891cc56e4b5795b9ffcb0f0c715b0b393 |
|---|---|
| Markdown | 919ae00fe717b0c7571de9bdff8c4bed33ca7da5b0aee4d187384d6b3213a03d |
| Publication page | f0396f7c18a7c1aa4f9b9ba4bbb0f2b1e2da2ac50999f1e4cc8d9641fbfec55d |
| Manifest | 770d826208a9bd5d4c87f50046c0702bd3a399274c46f5b96230b245e0b647c8 |
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 | UohMvVhDNR4vXJvWYYUkd5IdM3+ak6Zy6N+zq3YapUwU2lMUar5f1glB5qRTFoBNg7HyN/1cedoS57s+DuyADw== |
| 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
| 2026-09-17T11:54:06.525510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021759observed f0396f7c18a7c1aa4f9b9ba4bbb0f2b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:06.503996Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021759/manifest.jsonobserved 770d826208a9bd5d4c87f50046c0702b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:06.463942Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021759/publication.mdobserved 919ae00fe717b0c7571de9bdff8c4bed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:06.416197Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021759/publication.txtobserved ba434cc67e7aa08bb9e61e88537091a8...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. |
|---|