OT-2026-000028256
Publication integrity record
Single bellows cup vacuum gripper, single stage ejector, sustained blow-off before set-down, on a tool changer
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-2026-000028256) never changes.
Identity and time
| Publication number | OT-2026-000028256 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f4-7344-92cc-1157865a31a2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028256 |
| Status | PUBLIC |
Content hashes
| Canonical text | 35892fa9610cb83b8b3a7efb10e21978ddbe959cb27e564246f18a91b6efbe4b |
|---|---|
| Markdown | 21d4540cb40ed23c2e43aeb080a208fcebf258a0dd2c2e104a1fafb6269dca10 |
| Publication page | ba9abd94c025c5dc2f11b12877d7368e67f9236d67da60c4b819d7cd572c1ff4 |
| Manifest | a1dead66ed2f8e128817a65cde651c3ca825abaecfd516553f6b0c366ef8c9e5 |
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 | AAzrEN9TDyN3Rx3wdM7oED1K+Wnup64o4GE+VPWLaDUM+7uYxM0vd49SB5yoF7TcLKanlBRi0GkOpe3d1fOaBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:40:07.707383Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028256observed ba9abd94c025c5dc2f11b12877d7368e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:07.688937Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028256/manifest.jsonobserved a1dead66ed2f8e128817a65cde651c3c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:07.672141Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028256/publication.mdobserved 21d4540cb40ed23c2e43aeb080a208fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:07.653319Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028256/publication.txtobserved 35892fa9610cb83b8b3a7efb10e21978...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. |
|---|