OT-2026-000004970
Publication integrity record
Vacuum cup gripper, two zone face, two outlet manifold, pump 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-2026-000004970) never changes.
Identity and time
| Publication number | OT-2026-000004970 · never reused |
|---|---|
| Internal UUID | 01a0a929-93a2-767f-adb2-9591fd309051 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:41:09.413623Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004970 |
| Status | PUBLIC |
Content hashes
| Canonical text | 49b59c565a3a0e1056a1371e708955686af4247debc3378d464228442fc22705 |
|---|---|
| Markdown | 8fbb8f1484745fa99da56aa7eeb4d99d1a5f2f98f336e43db103502a2bdbced9 |
| Publication page | 3969b8c02b3c436eabe7d47938ad719919333d5c9e46a5c208edd0abfe9b8c13 |
| Manifest | c71bd00d635e6909c2d03849c460f95bc4055c806cefa0cfd2fcdd3b2f820f7d |
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 | QdGZWJLP+M2NMjC/YPDyXvUI0H43DXU1gBVkgfmINbUyXcFTjNL7hv/Cd7uuvcnComFRwonu9BaYl4rEFlErBw== |
| 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
| 2026-09-16T07:50:29.646628Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004970observed 3969b8c02b3c436eabe7d47938ad7199...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:29.634304Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004970/manifest.jsonobserved c71bd00d635e6909c2d03849c460f95b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:29.620931Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004970/publication.mdobserved 8fbb8f1484745fa99da56aa7eeb4d99d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:29.487746Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004970/publication.txtobserved 49b59c565a3a0e1056a1371e70895568...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. |
|---|