OT-2026-000003514
Publication integrity record
Porous face vacuum gripper with a timed blow-off pulse for release
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-2026-000003514) never changes.
Identity and time
| Publication number | OT-2026-000003514 · never reused |
|---|---|
| Internal UUID | 01a0a906-e586-7b86-9919-4b21ef42bd3b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:03:16.616806Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003514 |
| Status | PUBLIC |
Content hashes
| Canonical text | a3771acd2f245ed80c6db7335daa331977920af23628f1e3d3579a5980c867f5 |
|---|---|
| Markdown | ac29234fd8cb3b72241ee3e2b4c5c0aff203b148c1563b1ed800f4257a804f81 |
| Publication page | e68c60c05ae897765ca682cabbcb13684fb25075d703190f788104259ad1e599 |
| Manifest | e29e5ee903ef0b6bde42d2f091a42011cdb46f06a1bcac6bb49d6f0415fad1af |
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 | e02aJEdz/2cOESS3oRvETh98u4c4fzDXSihlANEzO3NKHJaa3Wfn4B172r6LeNNwdH2rrGHDKH9JTYtIteJ7Bw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:07:02Z batch OT-TS-2026-W38-008 · RFC 3161 token · inclusion proof root e9da7eb1c397f1749e5915c5a39dbbcf... |
|---|
Independent retrieval
| 2026-09-16T09:00:33.211995Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003514observed e68c60c05ae897765ca682cabbcb1368...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:00:33.197408Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003514/manifest.jsonobserved e29e5ee903ef0b6bde42d2f091a42011...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:33.181417Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003514/publication.mdobserved ac29234fd8cb3b72241ee3e2b4c5c0af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:33.166162Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003514/publication.txtobserved a3771acd2f245ed80c6db7335daa3319...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. |
|---|