OT-2026-000029768
Publication integrity record
Single bellows cup 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-2026-000029768) never changes.
Identity and time
| Publication number | OT-2026-000029768 · never reused |
|---|---|
| Internal UUID | 01a0ae73-5e24-72c1-88d4-ce07880ab8ea · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:51.545382Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029768 |
| Status | PUBLIC |
Content hashes
| Canonical text | 571ae0432f89d9722809682ecd9e2f86a240bd70866f5698e774a8c063bad7fa |
|---|---|
| Markdown | 3498441857df243df145befa8c5bebfef33686ee8d546832a22c7e109ea3dca7 |
| Publication page | e2de5daf39560e1f7ff401e4eef06c206d227c1b74a4ae19ec3fa4bece590b90 |
| Manifest | 8a2f4fd5e891becc41143aaab80d20976ec224adae34042978c6799995eb4951 |
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 | 2rvwbbAPFg0f3ey5NfmtfzOjVk1LxAYSBLS7/nFJcRb9eLRrh8XVPyPp3FR5fYiYLMK+e+HiMrioNs43ky1zAQ== |
| 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
| 2026-09-17T11:39:31.892972Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029768observed e2de5daf39560e1f7ff401e4eef06c20...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:31.875172Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029768/manifest.jsonobserved 8a2f4fd5e891becc41143aaab80d2097...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:31.857968Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029768/publication.mdobserved 3498441857df243df145befa8c5bebfe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:31.838314Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029768/publication.txtobserved 571ae0432f89d9722809682ecd9e2f86...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. |
|---|