OT-2026-000090991
Publication integrity record
Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000090991) never changes.
Identity and time
| Publication number | OT-2026-000090991 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c011-7e98-b687-19724907cac9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090991 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1d39781fad6adcbb9fb3596711c3cd40caaa3643ecf1fb7d7bf9dbcd3badb14d |
|---|---|
| Markdown | 2090617b4ddc0122ceeacce93df3d115b704b28225616abd2003893369c100a0 |
| Publication page | 49d9481b6f1afb199faa935d9e0ab19166bf939bba0fac7f25e90f6023e667e7 |
| Manifest | eb32a5313d4f91825e536447303754680ae07f6c45bf0e7beb5caab18e6d28e3 |
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 | LIZ7geVh2grhixJpXBI7r8DEKhUKdXTFZGgQQEvgsnDB8Vpf3aIm34reE2gEnxSMeJipbouhE5MLgQRavhZ6CA== |
| 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
| 2026-09-17T09:44:13.288792Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090991observed 49d9481b6f1afb199faa935d9e0ab191...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:13.268553Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090991/manifest.jsonobserved eb32a5313d4f91825e53644730375468...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:13.250250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090991/publication.mdobserved 2090617b4ddc0122ceeacce93df3d115...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:13.233002Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090991/publication.txtobserved 1d39781fad6adcbb9fb3596711c3cd40...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. |
|---|