OT-2026-000028875
Publication integrity record
Foam pad vacuum gripper, four 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-2026-000028875) never changes.
Identity and time
| Publication number | OT-2026-000028875 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-732a-8437-7367d047de54 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028875 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1405bb1f5da2a99e44cf44e6513db1f898a2cfacd2d45e23122e335f998085b6 |
|---|---|
| Markdown | 7db20d0c33a62a166ee3730994e092c4a4578cef654950331b0fb0db3f143c78 |
| Publication page | 9caa70b81e0dc91a58794f0d080e821c56e6d73f8ec3507e04cc89e0193b16e6 |
| Manifest | cb1b5405d89f2ceea282c690db58e335ec3edfba9c70cf8bdceeaed625827504 |
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 | gQkXY6s9cfSGusxG2b2KhggnFBdhkMyYgE6NT0vf23h2rV0Gb1T3pR53fZwH2RY+Lqvon8lCdiWjMW9FAq3vAw== |
| 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
| 2026-09-17T08:20:13.514777Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028875observed 9caa70b81e0dc91a58794f0d080e821c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:13.497040Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028875/manifest.jsonobserved cb1b5405d89f2ceea282c690db58e335...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:13.474699Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028875/publication.mdobserved 7db20d0c33a62a166ee3730994e092c4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:13.456821Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028875/publication.txtobserved 1405bb1f5da2a99e44cf44e6513db1f8...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. |
|---|