OT-2026-000077980
Publication integrity record
Single bellows cup vacuum gripper, three stage ejector, vented after 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-2026-000077980) never changes.
Identity and time
| Publication number | OT-2026-000077980 · never reused |
|---|---|
| Internal UUID | 01a0ae95-2ed1-7111-b1f5-6ae45a2f4c1f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:47.703064Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077980 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0fffb24e22abcf08ca340b48eeb5f6eaa621a4c855aca46cd410cdb909c55b33 |
|---|---|
| Markdown | de7f8d436e87a4cbc78354c33adae3e5fb0d3fc1d9f7329609455489f5101b4d |
| Publication page | 8570e483e1953cd05dbc0e81f6734d9ff931297cf296e886d45bcc4047aad71f |
| Manifest | c08bd7ca77922bfd36c54949aa9a9188a5fc1f0516f9abefe0f7405a70316bd3 |
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 | nDvQYprawhnANuaFZgHx8mohHPuNOZkCo2mGvQCTWqBPDp3Yd46DvdDgn0DOKc2rJ9SdC4A9q5/radeBJ+5HDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:06:59.906722Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077980observed 8570e483e1953cd05dbc0e81f6734d9f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:06:59.889543Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077980/manifest.jsonobserved c08bd7ca77922bfd36c54949aa9a9188...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:06:59.871550Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077980/publication.mdobserved de7f8d436e87a4cbc78354c33adae3e5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:06:59.853343Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077980/publication.txtobserved 0fffb24e22abcf08ca340b48eeb5f6ea...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. |
|---|