OT-2026-000057716
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, sustained blow-off 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-2026-000057716) never changes.
Identity and time
| Publication number | OT-2026-000057716 · never reused |
|---|---|
| Internal UUID | 01a0ae88-2695-77c0-80c3-9f869fc19735 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:33.513637Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057716 |
| Status | PUBLIC |
Content hashes
| Canonical text | 77c564752c4c87a594fe2437ff3b69680e7962e2487acd2ffb8344e63153fe1f |
|---|---|
| Markdown | 48dad0c43f08aa14925c9546c3097bc77d6df3d3da6866a734bf2bc235553b84 |
| Publication page | f6326bf79c4b3c74ccca90070d24288377046af3ea9acb88c8ecee5c4a932ff7 |
| Manifest | 4cf055a75122874d494f9a16a248ff6839200bb9a845e44dbccb5dd400cbcf37 |
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 | hFPXOlyJszEnOsK+rh2MxSGzvI7wht1taxtKd2vrHn+AKyrZ9B83SWN1SU5C7xxyEvZklHRUkDSQwZNtJaPYAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|
Independent retrieval
| 2026-09-17T10:48:23.137526Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057716observed f6326bf79c4b3c74ccca90070d242883...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:48:23.120733Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057716/manifest.jsonobserved 4cf055a75122874d494f9a16a248ff68...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:23.101936Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057716/publication.mdobserved 48dad0c43f08aa14925c9546c3097bc7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:23.082075Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057716/publication.txtobserved 77c564752c4c87a594fe2437ff3b6968...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. |
|---|