OT-2026-000004953
Publication integrity record
Vacuum cup gripper, three stage ejector, contact triggered, sustained blow off 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-2026-000004953) never changes.
Identity and time
| Publication number | OT-2026-000004953 · never reused |
|---|---|
| Internal UUID | 01a0a928-fd66-752f-b8bb-3dad7eaf4034 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:40:30.953852Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004953 |
| Status | PUBLIC |
Content hashes
| Canonical text | fc1da525d356628195eacaa2533e83a7cc03b3c55b8bd4e39b89e91828a7cb6d |
|---|---|
| Markdown | bf6f3e3120fa2b4d9939b2275b50b65b111490cb31f22fc2d3b9ecde982193bb |
| Publication page | f46dafd2407c3a38af0c1e6b9501d9540d0d9044da65cf955101f241a86d86ed |
| Manifest | e0e12e537a91c4ac1997ec6bc70d6d06488c4da4e84121b96cfdba08d9ab9ba4 |
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 | jRcj/uKP7lLv1+1u551wPGpKQc9beNEwyLeygetQZ84FMNf9JO5bPeCbRI9DrGwwQLnc53PvgmJtQBlwyzfDDQ== |
| 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
| 2026-09-16T07:50:31.621842Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004953observed f46dafd2407c3a38af0c1e6b9501d954...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:31.486861Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004953/manifest.jsonobserved e0e12e537a91c4ac1997ec6bc70d6d06...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:31.474165Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004953/publication.mdobserved bf6f3e3120fa2b4d9939b2275b50b65b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:31.459115Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004953/publication.txtobserved fc1da525d356628195eacaa2533e83a7...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. |
|---|