OT-2026-000081756
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000081756) never changes.
Identity and time
| Publication number | OT-2026-000081756 · never reused |
|---|---|
| Internal UUID | 01a0ae97-0f74-70c5-93cf-d7364efa89c8 · 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-2026-000081756 |
| Status | PUBLIC |
Content hashes
| Canonical text | f986e142335ad28f442fbd5e0c2c06c49e74eabd041449acd2f1f92d885dd1ef |
|---|---|
| Markdown | c13cab4c589610ae5f6fc67ee980b7bfd151b46adb3daff9cc2b078c45ed45c8 |
| Publication page | ed2cf9bb69d8c4aa976916703238a71497b1402a8edf7da06c02305a434d5cd8 |
| Manifest | 8deab40799a920fe2182f643536b9005bb15568ec95f5c61caf30c92554c31b7 |
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 | kxqa5XH4jmEQyPdSnHzjyhHiGIeQ/H1mpsGuLvcChBkc3a9KSpoWNV+ZcmavS4OucDWJzCVMlHzmaLwtw38KAQ== |
| 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
| 2026-10-11T20:42:02.575974Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081756observed ed2cf9bb69d8c4aa976916703238a714...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-11T20:42:02.476349Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081756/manifest.jsonobserved 8deab40799a920fe2182f643536b9005...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T20:42:02.378461Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081756/publication.mdobserved c13cab4c589610ae5f6fc67ee980b7bf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T20:42:02.194804Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081756/publication.txtobserved f986e142335ad28f442fbd5e0c2c06c4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:59:50.594049Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081756observed ed2cf9bb69d8c4aa976916703238a714...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:59:50.576331Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081756/manifest.jsonobserved 8deab40799a920fe2182f643536b9005...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:59:50.557277Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081756/publication.mdobserved c13cab4c589610ae5f6fc67ee980b7bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:59:50.532435Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081756/publication.txtobserved f986e142335ad28f442fbd5e0c2c06c4...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 |
|---|