OT-2026-000064073
Publication integrity record
Single cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000064073) never changes.
Identity and time
| Publication number | OT-2026-000064073 · never reused |
|---|---|
| Internal UUID | 01a0ae8d-53be-7b0c-9ee0-dedb71fbb001 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:48:12.763906Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000064073 |
| Status | PUBLIC |
Content hashes
| Canonical text | de7ae383aeedccb78bbe5cdb14e2dd3917190f86b7e327b3ef441f46088788a7 |
|---|---|
| Markdown | 15145036c36c78d0f6198438540944e46a0ab0c75319cca37c544026a6d51fac |
| Publication page | 22700828ec2147b94fa5bef8490502e136ff766a689f245a11e9f682ff679b87 |
| Manifest | 8a0ab607c565b0f62b37ae8a8fc8aec0ac4c93dc7dfe21e30ba79b43177ee3d7 |
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 | 6EyP+qLziLxOGltAEACy1FXJD5pSPs2f76BGZuaEed5+ziIQQdlLiXrY3D8ONDnTi2++d9lMnWsLn+M7wmjICA== |
| 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
| 2026-10-04T00:41:05.689918Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064073observed 22700828ec2147b94fa5bef8490502e1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-04T00:41:05.640506Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064073/manifest.jsonobserved 8a0ab607c565b0f62b37ae8a8fc8aec0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T00:41:05.589973Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064073/publication.mdobserved 15145036c36c78d0f6198438540944e4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T00:41:05.539986Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064073/publication.txtobserved de7ae383aeedccb78bbe5cdb14e2dd39...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T08:41:22.374880Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064073observed 22700828ec2147b94fa5bef8490502e1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T08:41:22.189132Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064073/manifest.jsonobserved 8a0ab607c565b0f62b37ae8a8fc8aec0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T08:41:21.984286Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064073/publication.mdobserved 15145036c36c78d0f6198438540944e4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T08:41:21.728854Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064073/publication.txtobserved de7ae383aeedccb78bbe5cdb14e2dd39...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 |
|---|