OT-2026-000084575
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, 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-2026-000084575) never changes.
Identity and time
| Publication number | OT-2026-000084575 · never reused |
|---|---|
| Internal UUID | 01a0ae98-e25b-70d0-a751-e9fea99ee705 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:00:50.163111Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000084575 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4208c87c5417cb741db9c9bd0ec0dcfac46d932a753132d4e19d7bcbd7272210 |
|---|---|
| Markdown | 4cafd632bc91f538d44403ddb07b3a1893eb8100dda4dd4fe806189457601975 |
| Publication page | 741277db7c345652d6e8fee852fc1c6d2c3e2ac6508ac39f94e5f63c6b62a24b |
| Manifest | 28419a59de689d5f1050a213c4426a660670fb0855b58b2383d9d82e8a303d0a |
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 | OYSRQ/DrOU0IkETHJ2hKmQKa91M7aM6A7UDiCv9OzqHxVajWbTznJBGj3OFGaEw/JFxTEiFQba1JV+CHdowSDw== |
| 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... |
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Independent retrieval
| 2026-10-08T04:41:29.672279Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000084575observed 741277db7c345652d6e8fee852fc1c6d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-08T04:41:29.599106Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000084575/manifest.jsonobserved 28419a59de689d5f1050a213c4426a66...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:41:29.511241Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000084575/publication.mdobserved 4cafd632bc91f538d44403ddb07b3a18...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:41:29.388706Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000084575/publication.txtobserved 4208c87c5417cb741db9c9bd0ec0dcfa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T08:41:31.825497Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000084575observed 741277db7c345652d6e8fee852fc1c6d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T08:41:31.748273Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000084575/manifest.jsonobserved 28419a59de689d5f1050a213c4426a66...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T08:41:31.610218Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000084575/publication.mdobserved 4cafd632bc91f538d44403ddb07b3a18...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T08:41:31.528726Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000084575/publication.txtobserved 4208c87c5417cb741db9c9bd0ec0dcfa...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 |
|---|