OT-2026-000004470
Publication integrity record
Porous face vacuum gripper, three zone face, six outlet manifold, plant vacuum fed
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-2026-000004470) never changes.
Identity and time
| Publication number | OT-2026-000004470 · never reused |
|---|---|
| Internal UUID | 01a0a919-20ec-7831-9838-c7d68dc5df42 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:23:11.471407Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004470 |
| Status | PUBLIC |
Content hashes
| Canonical text | c5529ea5ec05627801478db5e30718706748f666f860f23d6c05ced8cd4a01f0 |
|---|---|
| Markdown | 628528abc94a171203461967f4450d33b1df8975fb3d25835a79144965fc2a09 |
| Publication page | 4881faf78cb9622e16dc9efdf3d995aaff80efa647b6c158dbfde86e0ccbb944 |
| Manifest | bfabcbc092125cf868c9eb8ce1fcf288837e53e4a33528fe5fc609ad52c33be5 |
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 | qb/6HtxCRlmLAKssyR6QA3C0yNIJoV50DhFn7BrY5K/Ka4y5ajJB7QQru9BiDF+IjIeujv4gfh4MmJYcP3mODQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:30:24.121321Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004470observed 4881faf78cb9622e16dc9efdf3d995aa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:23.987512Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004470/manifest.jsonobserved bfabcbc092125cf868c9eb8ce1fcf288...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:23.974826Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004470/publication.mdobserved 628528abc94a171203461967f4450d33...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:23.961935Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004470/publication.txtobserved c5529ea5ec05627801478db5e3071870...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. |
|---|