OT-2026-000057880
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single 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-2026-000057880) never changes.
Identity and time
| Publication number | OT-2026-000057880 · never reused |
|---|---|
| Internal UUID | 01a0ae88-6ed8-7d33-aabb-dc7b909190ab · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:52.020108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057880 |
| Status | PUBLIC |
Content hashes
| Canonical text | b01e27e6cbecf7521d2d891daadf25c48645fbc282f970d1ce46bdcf7d4d4b7a |
|---|---|
| Markdown | 6e3408525915bb838ba75f7c0b30aebe9c11a4070b2545a215d25ff967657ed4 |
| Publication page | 9bc40dc9b84a78975a99cb1b2cfd0ffbda562046b644aac8e2470b957348fa49 |
| Manifest | cb5ea9ee9a684c982b58e5f77729c05efbae192b7613b6f11b3c2d745902000b |
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 | VNer6OfZx1ttVdgT6hIzrY3Ik863bw9rl4r1dmzOslIT3MpkzPLj9zgiYiWJo2JJq8cwDu+5TuwI1nVDG0g4DA== |
| 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
| 2026-09-17T10:47:28.103622Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057880observed 9bc40dc9b84a78975a99cb1b2cfd0ffb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:47:28.085519Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057880/manifest.jsonobserved cb5ea9ee9a684c982b58e5f77729c05e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:28.069643Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057880/publication.mdobserved 6e3408525915bb838ba75f7c0b30aebe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:28.051051Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057880/publication.txtobserved b01e27e6cbecf7521d2d891daadf25c4...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. |
|---|