OT-2026-000038132
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000038132) never changes.
Identity and time
| Publication number | OT-2026-000038132 · never reused |
|---|---|
| Internal UUID | 01a0ae77-f88b-7894-a67c-edf6608e91f8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:24:53.146436Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000038132 |
| Status | PUBLIC |
Content hashes
| Canonical text | f121c3601e9fbf4d8a95d21199d73009c08d6f637fb1c03845ced701f4db3081 |
|---|---|
| Markdown | 1c9b2042a2cf65e89ae14f6337ff2bd10af91d77882b832e38d98df03a0e7324 |
| Publication page | 70a9b269560bca254f73f3fff8046fe08e03d1b31a590673c4ee2ea18d98687c |
| Manifest | f19462ac1d67855c449a1e966825639872df62bca54ef1f3fa5885e41674adcd |
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 | YSOK4tztCFV7SByKNDP/W2jg5971OQyL6EVRCV+vcI7qVk6cIMyJojwO29XMPcfhRvdFF8Zy8yym+BedBJ5+Cw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-22T04:23:25.173358Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038132observed 70a9b269560bca254f73f3fff8046fe0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-22T04:23:25.159106Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038132/manifest.jsonobserved f19462ac1d67855c449a1e9668256398...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-22T04:23:25.143805Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038132/publication.mdobserved 1c9b2042a2cf65e89ae14f6337ff2bd1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-22T04:23:25.064674Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038132/publication.txtobserved f121c3601e9fbf4d8a95d21199d73009...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-13T00:41:19.625392Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038132observed 70a9b269560bca254f73f3fff8046fe0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T00:41:19.574458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038132/manifest.jsonobserved f19462ac1d67855c449a1e9668256398...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T00:41:19.516310Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038132/publication.mdobserved 1c9b2042a2cf65e89ae14f6337ff2bd1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T00:41:19.402903Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038132/publication.txtobserved f121c3601e9fbf4d8a95d21199d73009...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 |
|---|