OT-2026-000087687
Publication integrity record
Four bellows cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, 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-2026-000087687) never changes.
Identity and time
| Publication number | OT-2026-000087687 · never reused |
|---|---|
| Internal UUID | 01a0ae9a-cd54-7945-9206-917d434905d0 · 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-2026-000087687 |
| Status | PUBLIC |
Content hashes
| Canonical text | 87142b5a32b9935be74c8c7c917b5227aeb0c7cfd999afca9c9c5ae291028de2 |
|---|---|
| Markdown | ee54984d4a7b492aa716cd06600d5b2d94ec9b7ae09a19ccccd28805d1f8e692 |
| Publication page | 4008727f81823f5b2243565c88afca4af5a49332d1a9fc437a404429fadf6023 |
| Manifest | b0c441aa1989e3ab394b348ba83993c4d3903dfbe32917aea29fa98ac18235ec |
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 | FiNL9xgvIZ59pQsosM2TLXYMVdGVI/YHtPshzK7DSKRYY1ZD/HtEJG9zVTKT15lF8Q/veSS3F5VPQ73ySlnlDw== |
| 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
| 2026-11-01T04:23:26.876735Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087687observed 4008727f81823f5b2243565c88afca4a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-01T04:23:26.856579Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087687/manifest.jsonobserved b0c441aa1989e3ab394b348ba83993c4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-11-01T04:23:26.842235Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087687/publication.mdobserved ee54984d4a7b492aa716cd06600d5b2d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-11-01T04:23:26.822235Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087687/publication.txtobserved 87142b5a32b9935be74c8c7c917b5227...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-07T00:41:02.928805Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087687observed 4008727f81823f5b2243565c88afca4a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T00:41:02.747229Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087687/manifest.jsonobserved b0c441aa1989e3ab394b348ba83993c4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T00:41:02.600331Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087687/publication.mdobserved ee54984d4a7b492aa716cd06600d5b2d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T00:41:02.468268Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087687/publication.txtobserved 87142b5a32b9935be74c8c7c917b5227...fetched by grabo-systems from 34.44.131.203, 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 |
|---|