OT-2026-000003644
Publication integrity record
Porous face vacuum gripper, two zone face, three outlet manifold, three stage ejector
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-2026-000003644) never changes.
Identity and time
| Publication number | OT-2026-000003644 · never reused |
|---|---|
| Internal UUID | 01a0a90a-9f86-7f6e-886c-c71b7910f385 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:20.841079Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003644 |
| Status | PUBLIC |
Content hashes
| Canonical text | f089cb105f2011892bc91b38e58ba6aa1a9784f922325cd6337f4ea4b63472ce |
|---|---|
| Markdown | 889a5a95e8d7c9e511b5829acafe695a8e46fc5d96c8d19d73716610bca0fc02 |
| Publication page | 748640fd4c9f31a8990d2ed2a0bb4bcb99f49870d541eb21ac6b05a9b69221a1 |
| Manifest | cd3f44e32b697352f18da43baf8375f1e0867d8bf0312b7ae27eeafa7f0c0e23 |
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 | xzKjNIkuxWWNbb4Uh6B2EAHsvIQBP4ZCxggu1kJWsM+mNpTnxr9PSCiB1/hu43xREYr+m0e+JTaMi6LMW/OCBg== |
| 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
| 2026-09-16T08:20:38.875001Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003644observed 748640fd4c9f31a8990d2ed2a0bb4bcb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:20:38.734910Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003644/manifest.jsonobserved cd3f44e32b697352f18da43baf8375f1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:20:38.719935Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003644/publication.mdobserved 889a5a95e8d7c9e511b5829acafe695a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:20:38.704628Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003644/publication.txtobserved f089cb105f2011892bc91b38e58ba6aa...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. |
|---|