OT-2026-000081643
Publication integrity record
Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, 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-2026-000081643) never changes.
Identity and time
| Publication number | OT-2026-000081643 · never reused |
|---|---|
| Internal UUID | 01a0ae97-0f72-78e8-9867-b2d458b8a7e5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:58:50.648824Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000081643 |
| Status | PUBLIC |
Content hashes
| Canonical text | d935db225ad06aab7996d297d32b05ba1ae063df686982576b22105f9c9c8fec |
|---|---|
| Markdown | 8bb1b871daa0b0e9fc7c72f649b6524c351511b85614a225b3f1d42018ea8e24 |
| Publication page | 10c6e9c6a96ffd946ed66de53f85e2681372f9ca7ce4acd53492a74957fd4eb0 |
| Manifest | c172ffc21f053dc72e6b2d820d5ba8f52baee1a7155e449a925dd568324084ff |
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 | L9NOU2SczTKwNY7CFz5OhOc3dbzSomrbTPoted4pg7HnS+/s+aaBjowPV4MMW0NDJIV+zdAdltrtQwpM68hEBg== |
| 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
| 2026-10-17T08:41:12.343961Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081643observed 10c6e9c6a96ffd946ed66de53f85e268...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-17T08:41:12.291646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081643/manifest.jsonobserved c172ffc21f053dc72e6b2d820d5ba8f5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T08:41:12.217767Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081643/publication.mdobserved 8bb1b871daa0b0e9fc7c72f649b6524c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T08:41:12.056280Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081643/publication.txtobserved d935db225ad06aab7996d297d32b05ba...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:59:41.699548Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081643observed 10c6e9c6a96ffd946ed66de53f85e268...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:59:41.682084Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081643/manifest.jsonobserved c172ffc21f053dc72e6b2d820d5ba8f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:59:41.662813Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081643/publication.mdobserved 8bb1b871daa0b0e9fc7c72f649b6524c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:59:41.644018Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081643/publication.txtobserved d935db225ad06aab7996d297d32b05ba...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 |
|---|