OT-2026-000057720
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-2026-000057720) never changes.
Identity and time
| Publication number | OT-2026-000057720 · never reused |
|---|---|
| Internal UUID | 01a0ae88-2695-794a-a51e-d110177a3305 · 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-2026-000057720 |
| Status | PUBLIC |
Content hashes
| Canonical text | ed6f9da6afc29988f02def01f7f37650114e39061da6e82710192acd61f2916e |
|---|---|
| Markdown | e81780c378568e7a0f26c718205e4e23b5314d856db937a24b8552581ec9c6dd |
| Publication page | 147199ffb870054f897908e25178bbccde9424e825274a549f68d01fa3b073ee |
| Manifest | 8715ac2144c89f7a8f8dc1f0fa6b75926039065de6d7d9b0c9a97fdd03a55ed9 |
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 | usAQyPdjaxG70QBOYjMXzxON/wgXIttDfxKwR7VmhFT4L6VeN0khMxxZahqPqv1nhXJ80uttn5MNdaX3v6W0BQ== |
| 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
| 2026-09-17T10:48:23.442880Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057720observed 147199ffb870054f897908e25178bbcc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:48:23.423340Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057720/manifest.jsonobserved 8715ac2144c89f7a8f8dc1f0fa6b7592...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:23.404344Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057720/publication.mdobserved e81780c378568e7a0f26c718205e4e23...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:23.385686Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057720/publication.txtobserved ed6f9da6afc29988f02def01f7f37650...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. |
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