OT-2026-000078820
Publication integrity record
Single bellows cup vacuum gripper, pump fed, vented after 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-2026-000078820) never changes.
Identity and time
| Publication number | OT-2026-000078820 · never reused |
|---|---|
| Internal UUID | 01a0ae95-ccbd-755e-85ac-7eadb55d78dd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:28.017032Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078820 |
| Status | PUBLIC |
Content hashes
| Canonical text | 68281f77de22da13bda9df150b8bd4bed49dcbeac08a95d483de821b2642d645 |
|---|---|
| Markdown | 077481ef6f28d48d96d937d093bec378e4554bdb5e4be962bb9f4ac15cd36b7a |
| Publication page | 9894b7cf6cee7e793486a5276292bbab978ba51f0559a90dccfa7f5704105e6b |
| Manifest | 2573cf7131ca9f222fa5731fa5570affaf738f96a6ccf9b74b5fe5e2e2a9ad08 |
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 | JpITMzljvyNE8iO7RqiqnYEB6Tf+muVdxrXGmvdxfMzWtbrTjTlMAIfi6cCOU8mi6BIHiqWYTpbi6PP53yx0Bg== |
| 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
| 2026-09-17T10:05:21.898073Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078820observed 9894b7cf6cee7e793486a5276292bbab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:05:21.878969Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078820/manifest.jsonobserved 2573cf7131ca9f222fa5731fa5570aff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:21.857560Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078820/publication.mdobserved 077481ef6f28d48d96d937d093bec378...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:21.836429Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078820/publication.txtobserved 68281f77de22da13bda9df150b8bd4be...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. |
|---|