OT-2026-000073728
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000073728) never changes.
Identity and time
| Publication number | OT-2026-000073728 · never reused |
|---|---|
| Internal UUID | 01a0ae93-2b8d-7f82-b2fe-d6ebdd9f968a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:35.679268Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000073728 |
| Status | PUBLIC |
Content hashes
| Canonical text | 23b571a748c6befd60b01c3b6630d86417311ccbd95c1c15b098d75cb6c3ecb4 |
|---|---|
| Markdown | ffe6400e0c6db62e9aa03e6244927fdc861521ed929996c65ac23206eb9c2b04 |
| Publication page | d3ce1b5dc033f656c3f8b024d71cb04aa73147b9c21201e9e9bbe74f9312fc27 |
| Manifest | c6d8cf94013fe68b0d5b513c142ff39f92f5c451b195f171c55efe715b8e05d3 |
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 | 83S3TlwsL7MLxPGg+lLvTwEf4RwhDfL9TzU6J0yJRFeI5hmg9lQqFIN52QCTkfelnuJPyxxW5+Xsp54Iz7gmBg== |
| 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
| 2026-09-17T10:19:48.283666Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073728observed d3ce1b5dc033f656c3f8b024d71cb04a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:19:48.262816Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073728/manifest.jsonobserved c6d8cf94013fe68b0d5b513c142ff39f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:19:48.243008Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073728/publication.mdobserved ffe6400e0c6db62e9aa03e6244927fdc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:19:48.222376Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073728/publication.txtobserved 23b571a748c6befd60b01c3b6630d864...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
| Custody package | Pending Custody packages are produced weekly. |
|---|