OT-2026-000020515
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, three 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-2026-000020515) never changes.
Identity and time
| Publication number | OT-2026-000020515 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437c-7059-b343-734e560feecb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020515 |
| Status | PUBLIC |
Content hashes
| Canonical text | 039610527f6570bd0197099615ff1ea70f38e2f7087938c75c6aa26e3b58f735 |
|---|---|
| Markdown | de4f5aa0d98d9e5586841022f15e2821b0dfd176f4d29b0969f6355a1483441a |
| Publication page | 4342554349955426a8ddb1fdc5a8c5296fc7cdfbb9a347165c8c23d3d34bbf19 |
| Manifest | 551730539a71bd6d0b09df983d37c09df723bfee2b96d296c4eae435fc69dc7b |
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 | tbCa1eB02iM2Xpw6miUxViwauUjQ1yZX8FL4Ky4TMHmW8ffSKpy6q9RArQmQmTs2G5w8bEGJCrG2iUJVDH4zBg== |
| 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
| 2026-09-17T12:00:28.931147Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020515observed 4342554349955426a8ddb1fdc5a8c529...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:28.908132Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020515/manifest.jsonobserved 551730539a71bd6d0b09df983d37c09d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:28.886348Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020515/publication.mdobserved de4f5aa0d98d9e5586841022f15e2821...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:28.866735Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020515/publication.txtobserved 039610527f6570bd0197099615ff1ea7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:31.934654Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020515observed 4342554349955426a8ddb1fdc5a8c529...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:31.911991Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020515/manifest.jsonobserved 551730539a71bd6d0b09df983d37c09d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:31.893076Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020515/publication.mdobserved de4f5aa0d98d9e5586841022f15e2821...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:31.876450Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020515/publication.txtobserved 039610527f6570bd0197099615ff1ea7...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. |
|---|