OT-2026-000005268
Publication integrity record
Porous face vacuum gripper, two zone face, pump fed, contact triggered
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-2026-000005268) never changes.
Identity and time
| Publication number | OT-2026-000005268 · never reused |
|---|---|
| Internal UUID | 01a0a933-5ac5-7364-93f9-2bd7fec6a1ae · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:51:50.216130Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005268 |
| Status | PUBLIC |
Content hashes
| Canonical text | c98739f2d1ebfe63a844feb38b1ad8b2b5c4746d4723a87162e77ed7ece15594 |
|---|---|
| Markdown | d85c8b83586ff4b452aa17379247a3cfea9e7f843837b47ca4a75f6972955469 |
| Publication page | 613a00c47c4dd1403d536aa8f14ad476c1b9eb2ff83b55f3cada79611fbcc7a1 |
| Manifest | 58a1b92c9b6b762a62f43fc888ef12b94bda0e94ee6a4f7174e651b746942f4d |
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 | IYdN3q0oHxK7+alzdqCTBrctZXqiLGeuD1W2tvyobhFhMYRwzsMIEYkT+7D7x0eLwzaFAyN0Qlbv08bCn40vAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:00:28.678359Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005268observed 613a00c47c4dd1403d536aa8f14ad476...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:00:28.664416Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005268/manifest.jsonobserved 58a1b92c9b6b762a62f43fc888ef12b9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:28.652345Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005268/publication.mdobserved d85c8b83586ff4b452aa17379247a3cf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:28.640449Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005268/publication.txtobserved c98739f2d1ebfe63a844feb38b1ad8b2...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. |
|---|