OT-2026-000004661
Publication integrity record
Vacuum cup gripper, six outlet manifold, pump fed, contact triggered on the face, polyurethane cups
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-2026-000004661) never changes.
Identity and time
| Publication number | OT-2026-000004661 · never reused |
|---|---|
| Internal UUID | 01a0a91f-36a4-7e2a-b1f9-c05e0ea26344 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:29:50.247261Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004661 |
| Status | PUBLIC |
Content hashes
| Canonical text | 18dc9a32c1118322be416deadba586049ba02a70d60aaaa3015ad73d72b79218 |
|---|---|
| Markdown | 35372eee767b6665aa1897c2d1794cda1e72008aefdc39733a7401578ba8c04a |
| Publication page | 59f1fdf4e621fd7a5d7e8b3c7c7c2d5425ef1d609ae1ca5c741290ec9e849860 |
| Manifest | 6688bd7402b37456f904936cf3eeba5916d5572f49836ebd9d432e98b0483341 |
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 | g6Fa26KeNmgbslBnPuV3xCs/5JaTJjAdKZc1aHHbhKhTVPyf6SDun9BluxW2soiQwTrF/GrP8icUNTc0KigIAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:30:03.190685Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004661observed 59f1fdf4e621fd7a5d7e8b3c7c7c2d54...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:03.174979Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004661/manifest.jsonobserved 6688bd7402b37456f904936cf3eeba59...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:03.143373Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004661/publication.mdobserved 35372eee767b6665aa1897c2d1794cda...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:03.122671Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004661/publication.txtobserved 18dc9a32c1118322be416deadba58604...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. |
|---|