OT-2026-000003878
Publication integrity record
Porous face vacuum gripper, two zone face, common isolation valve, pump fed, pressure verified
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-2026-000003878) never changes.
Identity and time
| Publication number | OT-2026-000003878 · never reused |
|---|---|
| Internal UUID | 01a0a90b-5550-79f3-9f14-5e8ee4d6f0af · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:08:07.379713Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003878 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7c65a3a592caea44a8ff1ee18e9715ed8dde36d6b673dea532d17c11ee89db90 |
|---|---|
| Markdown | a5909b9f76559a5072f475026a7cf20527fef76b737bd365d866b5ebc484040c |
| Publication page | 8634765f116e8588d3a26544f82e649e9b160438ab64f6e7b3a6f32574d22696 |
| Manifest | 19a9e2b298920390c5efb8b2b15ef36df0235bb900129107a1891f0bbf14cee7 |
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 | 8HLc/oxnSx6kSC6IFd3hksHb2tBHCa+tr8fgs94R7KsJTibgQ8w3emdSgBgAk9dRS3ma/+WgAD3xPgXb75FZAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:10:14.856435Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003878observed 8634765f116e8588d3a26544f82e649e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:14.842817Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003878/manifest.jsonobserved 19a9e2b298920390c5efb8b2b15ef36d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:14.826763Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003878/publication.mdobserved a5909b9f76559a5072f475026a7cf205...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:14.809843Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003878/publication.txtobserved 7c65a3a592caea44a8ff1ee18e9715ed...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. |
|---|