OT-2026-000077487
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000077487) never changes.
Identity and time
| Publication number | OT-2026-000077487 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f50a-71e3-8cf9-0c6ec9753182 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:32.796581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077487 |
| Status | PUBLIC |
Content hashes
| Canonical text | ba1ecab0ccbe3200b8c361a9b1f32b589f8904d9b451c639f309cd2340df868d |
|---|---|
| Markdown | acca552adc40fe2c922f66151eb5bfa9743ab2a82d7a967501a60b4a2d3ee369 |
| Publication page | 81bc16148881819a3d81483563012e1e7e00bd2048e4e8c958aac9dfb1e7814b |
| Manifest | 26bd26a7d33b623e5c92730f4895f168c55df051743e857ae881e63a9e8f393d |
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 | nyXPlVM56dZhn/G+4Rt8rLvRTJ8Ut5VAEhWnW0vcPCByWl5AvBQ/9QBaarEmBBShtDfZYbWoWQ0f5aUiWm9DDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:09:10.535708Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077487observed 81bc16148881819a3d81483563012e1e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:09:10.516191Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077487/manifest.jsonobserved 26bd26a7d33b623e5c92730f4895f168...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:10.497175Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077487/publication.mdobserved acca552adc40fe2c922f66151eb5bfa9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:10.478885Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077487/publication.txtobserved ba1ecab0ccbe3200b8c361a9b1f32b58...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. |
|---|