OT-2026-000004735
Publication integrity record
Vacuum cup gripper, two zone face, three stage ejector, pressure verified, vented after set down
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-2026-000004735) never changes.
Identity and time
| Publication number | OT-2026-000004735 · never reused |
|---|---|
| Internal UUID | 01a0a921-a967-72f6-b511-f472be320e79 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:32:30.698250Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004735 |
| Status | PUBLIC |
Content hashes
| Canonical text | ebc43b73b2be9c96ea8d76de12d5b257641d50f99d4f87e1c5583235d5c76de8 |
|---|---|
| Markdown | c82e52dfba980323bb3d8c36ab56c686cd79e9801433f84e6873e9e4841f7037 |
| Publication page | 4c7675a728824295c6fdea23074c8d7ee343b55362ac50a5ba66a38c1d6b6cfd |
| Manifest | bd355b83696a8f4b7d239923c326f9c6bf77291072fbe12b7e7ff21fd2cacf88 |
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 | UgD4z+i5y+qcGr5zZ3xYoyk7PJXpyPNg/TLtFHe9DmMvjhgte3wgNb7mHPZQXE4EMr4c2KefIcPoAoAKben6Aw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:24.464926Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004735observed 4c7675a728824295c6fdea23074c8d7e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:24.451197Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004735/manifest.jsonobserved bd355b83696a8f4b7d239923c326f9c6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:24.439102Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004735/publication.mdobserved c82e52dfba980323bb3d8c36ab56c686...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:24.426854Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004735/publication.txtobserved ebc43b73b2be9c96ea8d76de12d5b257...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. |
|---|