OT-2026-000041352
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, pulsed blow-off after set-down
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-2026-000041352) never changes.
Identity and time
| Publication number | OT-2026-000041352 · never reused |
|---|---|
| Internal UUID | 01a0ae79-b144-793c-b2dd-a0423027bb6c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:26:45.980839Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000041352 |
| Status | PUBLIC |
Content hashes
| Canonical text | 928e534487b5b1e316457a5a0b06ffd3ec25c70010c1887eafedba6c4cfc682d |
|---|---|
| Markdown | 88e8570fb2c39af3026f292d230e99504dea79e01ce233c8525489532199e3fc |
| Publication page | 497f04ff3634a1ad8341ab393c25bc5cf0b8838d75330f5c1fd92495e19851a5 |
| Manifest | b85982d272a47c61c9027e7dff61fdc508daaf3dc157601c1aac31dd59ff8ffa |
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 | u3cpnHq9/MFslf+Ic2Kfckw3vwh8LaoNgPXAECdaXqMH0QjDh7p+OvcygZurDuj1PgZJ+Qft0gXTMFy46c77DA== |
| 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
| 2026-10-31T04:41:31.280407Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041352observed 497f04ff3634a1ad8341ab393c25bc5c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T04:41:31.227527Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041352/manifest.jsonobserved b85982d272a47c61c9027e7dff61fdc5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T04:41:31.152882Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041352/publication.mdobserved 88e8570fb2c39af3026f292d230e9950...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T04:41:31.097241Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041352/publication.txtobserved 928e534487b5b1e316457a5a0b06ffd3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T08:41:42.465167Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041352observed 497f04ff3634a1ad8341ab393c25bc5c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T08:41:42.404377Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041352/manifest.jsonobserved b85982d272a47c61c9027e7dff61fdc5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T08:41:42.351124Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041352/publication.mdobserved 88e8570fb2c39af3026f292d230e9950...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T08:41:42.276165Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041352/publication.txtobserved 928e534487b5b1e316457a5a0b06ffd3...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 |
|---|