OT-2026-000018640
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000018640) never changes.
Identity and time
| Publication number | OT-2026-000018640 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-d520-7b15-91c2-52c4e067b51a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:54.261386Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000018640 |
| Status | PUBLIC |
Content hashes
| Canonical text | e8045b00ab0e09c770ab69068ed63511bb5d335d93424fafb283aa6e7c6c7af3 |
|---|---|
| Markdown | 67ff1c8cea270094239096696472c65a32bc79788e9955955e3a15c22fc7c1fc |
| Publication page | d990e15ec9a8ca4aa2051ced5f34eb2b0f753abb46ffe2533eb9d0c4e7ad0a05 |
| Manifest | 0a0ee9843504cec2909b44a9ecee7f14e54dcad74854e8fb304f614ede4ccbcb |
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 | OnmNp7MOQ0r/UB6T0bPX0A8od8yUV8eOo5IjmrYtahUjk9keBWT37T9/zBdilHM036Hoo5JgBw1h4TK0TICxBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:59:08.391284Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018640observed d990e15ec9a8ca4aa2051ced5f34eb2b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:59:08.373851Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018640/manifest.jsonobserved 0a0ee9843504cec2909b44a9ecee7f14...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:08.356559Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018640/publication.mdobserved 67ff1c8cea270094239096696472c65a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:08.340084Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018640/publication.txtobserved e8045b00ab0e09c770ab69068ed63511...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. |
|---|