OT-2026-000021573
Publication integrity record
Single cup vacuum gripper, common isolation valve, single 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-2026-000021573) never changes.
Identity and time
| Publication number | OT-2026-000021573 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7632-b0d7-ca3d8e194bfc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021573 |
| Status | PUBLIC |
Content hashes
| Canonical text | 901e4e6b6ac87fc3913e30f23873c3e30543ec567306508cee67ce9077b333bc |
|---|---|
| Markdown | c5e91714facd7a62e63e7da8c0af9a2a6e592305533723c639992ff1bafc883a |
| Publication page | 3b8a7804199b351761d443497e116df45a5c305c665c75ab44180824c5cc4e0d |
| Manifest | eef856dd68f7513268d8f664124b5875ba15a53561b9637f85e2f6409f928b61 |
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 | iGzbzVkXeTtOz4C7tMg+mtSnYGqf/6dAzWy2qlSNWPL9MHR/GcNmh3i+Y5PzHpKWL2kEhdKgaJrgxFkBVwfBDA== |
| 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
| 2026-09-17T11:55:29.775644Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021573observed 3b8a7804199b351761d443497e116df4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:29.756990Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021573/manifest.jsonobserved eef856dd68f7513268d8f664124b5875...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:29.740741Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021573/publication.mdobserved c5e91714facd7a62e63e7da8c0af9a2a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:29.722026Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021573/publication.txtobserved 901e4e6b6ac87fc3913e30f23873c3e3...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. |
|---|