OT-2026-000087271
Publication integrity record
Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000087271) never changes.
Identity and time
| Publication number | OT-2026-000087271 · never reused |
|---|---|
| Internal UUID | 01a0ae9a-cd4e-711e-8006-84ff04fee414 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:02:55.852518Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000087271 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4e6b2a5b0de14e6e3d6bbda7b52226ab346c95181040f90b60b7b5251707797e |
|---|---|
| Markdown | f63fd4c741eef3bae4b7d8048e178562fbab2981495bfe30994050ff81abf1f1 |
| Publication page | 3e3047afe15f670c4a6df97d346c0c7464c478493f814919b3071c59e1bc0dd7 |
| Manifest | 952bce8d180c7e232b8597d537af70745760b0965604d98c3cc92ec9ef4275eb |
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 | 4+YzbESrP8SFOw9GsDLjm04AAvPA6fLuZfu6zlK8loSRxVsfSfv+ohVoB/7Ir1uDxoceNQBhQ36liLCcM8KKAw== |
| 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
| 2026-10-11T04:41:23.981155Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087271observed 3e3047afe15f670c4a6df97d346c0c74...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-11T04:41:23.874985Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087271/manifest.jsonobserved 952bce8d180c7e232b8597d537af7074...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T04:41:23.771103Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087271/publication.mdobserved f63fd4c741eef3bae4b7d8048e178562...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T04:41:23.683373Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087271/publication.txtobserved 4e6b2a5b0de14e6e3d6bbda7b52226ab...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:23:38.403141Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087271observed 3e3047afe15f670c4a6df97d346c0c74...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:23:38.355313Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087271/manifest.jsonobserved 952bce8d180c7e232b8597d537af7074...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:23:38.335712Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087271/publication.mdobserved f63fd4c741eef3bae4b7d8048e178562...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:23:38.232043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087271/publication.txtobserved 4e6b2a5b0de14e6e3d6bbda7b52226ab...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|