OT-2026-000078864
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000078864) never changes.
Identity and time
| Publication number | OT-2026-000078864 · never reused |
|---|---|
| Internal UUID | 01a0ae95-ccbd-7792-915e-d5bc4ccb5b80 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:28.017032Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078864 |
| Status | PUBLIC |
Content hashes
| Canonical text | ff0a1aa0bdb2365bb60f38f74b81049301c698f9804d4a0d752b5baa145636c4 |
|---|---|
| Markdown | 4d3d8484aa52caa7a8ffd7eb910dda707a7fc1c84558d7711711d91a9de7eebe |
| Publication page | a72323a4342351ab5d2e0258bc36f09d2df81e040be74ce87b39fbe332d8b7b5 |
| Manifest | 98fe956601ef8047380139f69f14cdb6be4073919720410307bd19ddf1dede49 |
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 | wdb5fmy+TTEFw+NQZ8xwNXmoD5c1LbnJrL9dK7QO7FAbH+3TNsQ1bSmxLYoQx3yCjPInAaglvTGn2mGGFf4tDw== |
| 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
| 2026-09-17T10:05:39.845261Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078864observed a72323a4342351ab5d2e0258bc36f09d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:05:39.828254Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078864/manifest.jsonobserved 98fe956601ef8047380139f69f14cdb6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:39.809029Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078864/publication.mdobserved 4d3d8484aa52caa7a8ffd7eb910dda70...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:39.790673Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078864/publication.txtobserved ff0a1aa0bdb2365bb60f38f74b810493...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. |
|---|