OT-2026-000005638
Publication integrity record
Vacuum cup gripper, three zone face, per zone isolation, ejector fed, pressure verified, silicone 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-2026-000005638) never changes.
Identity and time
| Publication number | OT-2026-000005638 · never reused |
|---|---|
| Internal UUID | 01a0a93f-d6f0-791d-8948-7c9f96d8c5ef · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:05:28.435144Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005638 |
| Status | PUBLIC |
Content hashes
| Canonical text | 58ebe85b3486478b01d83a51057ded9d4629256f4b61a2b1e4c9d442f621b0be |
|---|---|
| Markdown | c873c5577f3a68338882625e5e744b8e82f83c5598e873d69365bf4c13ad0651 |
| Publication page | 6fc613fae9da719cd5bcc14a53ec4e5e03a90d3d14616d74641e42b7c7cb90a1 |
| Manifest | 324d0dd72ba092a5c73f46f5bc4df98dfa8276122a48f044cf5b900a636a6155 |
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 | E8KDg4tbaN2z39Pce3JDaWKWhwBDK4ttWFFNkf+teIPDiQYCOgDc3yrc0IVp85ND+w9CUxzMrmp28iz7WcqcCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:10:17.720753Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005638observed 6fc613fae9da719cd5bcc14a53ec4e5e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:10:17.708095Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005638/manifest.jsonobserved 324d0dd72ba092a5c73f46f5bc4df98d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:17.693184Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005638/publication.mdobserved c873c5577f3a68338882625e5e744b8e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:17.677122Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005638/publication.txtobserved 58ebe85b3486478b01d83a51057ded9d...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. |
|---|