OT-2026-000090840
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000090840) never changes.
Identity and time
| Publication number | OT-2026-000090840 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c010-75ac-986f-40868a9b267d · 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-2026-000090840 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0ac286f5474cfafa1a220ee843b3210fa440200649257f589d7c649822c743c1 |
|---|---|
| Markdown | 90f57ac15ac6f0758762b3c1bc881c5194c9ab3c24b45d7eaaa16ae8ab7ecbd0 |
| Publication page | 21cc1f609b7fe434a8b7d3dde8556d25401fcdd00d5843da285a8ce21c416e5b |
| Manifest | ed8658fe95333c18ecb6490cbabfcfdd1701ab1c2d44b8929c7623e51345f203 |
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 | pW6ppTXb8VGo3Sb0cbb0gXZBGvpxEEpbntCrLJytynWvkrWgY02gJg/V69TvOCCpye1pGaqG3f569Ffm9sqHCA== |
| 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
| 2026-09-17T09:44:01.398964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090840observed 21cc1f609b7fe434a8b7d3dde8556d25...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:01.380995Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090840/manifest.jsonobserved ed8658fe95333c18ecb6490cbabfcfdd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:01.364749Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090840/publication.mdobserved 90f57ac15ac6f0758762b3c1bc881c51...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:01.347057Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090840/publication.txtobserved 0ac286f5474cfafa1a220ee843b3210f...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. |
|---|