OT-2026-000003516
Publication integrity record
Bellows cup vacuum gripper with vent controlled release at the set-down position
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-2026-000003516) never changes.
Identity and time
| Publication number | OT-2026-000003516 · never reused |
|---|---|
| Internal UUID | 01a0a906-efd6-75eb-aabb-91dfeaeae4d9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:03:19.256692Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003516 |
| Status | PUBLIC |
Content hashes
| Canonical text | f1f77c4f2e14f9df96b51a75cc1d576e7ddd9c1aea0ef19869ee519a2d52ea84 |
|---|---|
| Markdown | 69313fdb7caf03b64b07079c7d7281688cfa5e8201c2d9d31444c301ca66db39 |
| Publication page | ff3587d1a663bfca733064ea0c501fa3cdbf55efd4b3714b32d11fafe3739d54 |
| Manifest | a5d1d2893a9e612fbd918b3706ba925291ecb9dd00ffb0f02c3e0cd035ed0890 |
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 | ACspJGxeka4eo3yARwyYn01IJPd1xrzy76aWgoWwh1ch/GNf9Dzgq2N8ECyaZa3KhDhkRhOnKIy+6ECOleJvAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:07:02Z batch OT-TS-2026-W38-008 · RFC 3161 token · inclusion proof root e9da7eb1c397f1749e5915c5a39dbbcf... |
|---|
Independent retrieval
| 2026-09-16T09:00:32.968295Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003516observed ff3587d1a663bfca733064ea0c501fa3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:00:32.952785Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003516/manifest.jsonobserved a5d1d2893a9e612fbd918b3706ba9252...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:32.938959Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003516/publication.mdobserved 69313fdb7caf03b64b07079c7d728168...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:32.923895Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003516/publication.txtobserved f1f77c4f2e14f9df96b51a75cc1d576e...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. |
|---|