OT-2026-000004628
Publication integrity record
Bellows cup vacuum gripper, four zone face, two stage ejector, contact triggered on the face
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-2026-000004628) never changes.
Identity and time
| Publication number | OT-2026-000004628 · never reused |
|---|---|
| Internal UUID | 01a0a91e-2fa5-7f1e-bfaf-996fcaa5f17b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:28:42.920187Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004628 |
| Status | PUBLIC |
Content hashes
| Canonical text | fe9b39038e1382efd345f17dc6910020b3b9411f3295c4fa5dd021135e3d7c3f |
|---|---|
| Markdown | 446d49baca38c60c8b35748589787fd9955cf5b074f74bbe79c541cbaf8a02a5 |
| Publication page | c56ab212c924035903359a3e714ef9931945f9ad8bb29812ae26b7fb5bc68427 |
| Manifest | 9fd342f749a3148f39fa97e7269f5b29e11fbf3d1a9e40b0f4d8e2c17477b023 |
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 | meoZ2TBfuRdLIt/1FFi2IwrY0M4he0AVgXB5ZZap3pRWleva6k4eqw6doHOF+uqi2z+ANwYT5BbT2Q8dQ6haCQ== |
| 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
| 2026-09-16T07:30:07.429532Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004628observed c56ab212c924035903359a3e714ef993...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:07.417610Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004628/manifest.jsonobserved 9fd342f749a3148f39fa97e7269f5b29...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:07.406320Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004628/publication.mdobserved 446d49baca38c60c8b35748589787fd9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:07.392775Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004628/publication.txtobserved fe9b39038e1382efd345f17dc6910020...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. |
|---|