OT-2026-000080721
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000080721) never changes.
Identity and time
| Publication number | OT-2026-000080721 · never reused |
|---|---|
| Internal UUID | 01a0ae96-b973-7f50-ad0d-c0671184575e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:58:28.739380Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000080721 |
| Status | PUBLIC |
Content hashes
| Canonical text | a1e79dbe8360833f925ff823f9630727c2aa23d95faa5fc5ef9b787b62a499df |
|---|---|
| Markdown | 0043b6897a0b8f6d76d9877333c7b73040874feffae70d36fb137e254f088321 |
| Publication page | 4e592a7e98b76fb692cf6b33ef21c82ca6d455f3e29b867cf3d2cdddc117d1a1 |
| Manifest | 1d80d5a4c818f38cfed4d95d056bb6a4b75918bf28b40b08494cb9c5670d7579 |
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 | i7J4g8WZQVcKS8d460O0JVv+iCsN9p49RG0UzUj22gYY3RYklILm1x5pH+k7Xzj9fH0gFlJ7ZA7cSSfBgEEhDw== |
| 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
| 2026-09-17T10:01:45.442659Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080721observed 4e592a7e98b76fb692cf6b33ef21c82c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:01:45.422114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080721/manifest.jsonobserved 1d80d5a4c818f38cfed4d95d056bb6a4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:01:45.402249Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080721/publication.mdobserved 0043b6897a0b8f6d76d9877333c7b730...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:01:45.380973Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080721/publication.txtobserved a1e79dbe8360833f925ff823f9630727...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. |
|---|