OT-2026-000021806
Publication integrity record
Foam pad vacuum gripper, common isolation valve, three stage ejector, sustained 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-2026-000021806) never changes.
Identity and time
| Publication number | OT-2026-000021806 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7913-9c0e-9fa5b6780a37 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021806 |
| Status | PUBLIC |
Content hashes
| Canonical text | 936a6a902fa8d9acc314eb1e6d07dcdc6beb67e60d6d411bb9f527e5d081cee7 |
|---|---|
| Markdown | b4da9c28de118bd5c942e74709437e1a3b64cd37da574bb72260247ba4116c6a |
| Publication page | 1b5659f63ea66c837b0939a040bfc762be5aa2e772f3983a1ad1e2ac2a6e82fc |
| Manifest | cab39f8a817d63dea3d403674b24e5b52618898ee99fb77f4c04382c9a5fe232 |
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 | xJ/z/zgXd/3vxK/IsjeuIvhL9dYie6t0UZaWhCAGGVfHsPBNai6E2YhP/QwQnrJSU7yHT+D1+nzRGb8iZlCWCQ== |
| 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
| 2026-09-17T11:54:21.591412Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021806observed 1b5659f63ea66c837b0939a040bfc762...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:21.575165Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021806/manifest.jsonobserved cab39f8a817d63dea3d403674b24e5b5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:21.557820Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021806/publication.mdobserved b4da9c28de118bd5c942e74709437e1a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:21.538987Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021806/publication.txtobserved 936a6a902fa8d9acc314eb1e6d07dcdc...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. |
|---|