OT-2026-000041998
Publication integrity record
Foam pad vacuum gripper, single stage ejector, sustained blow-off after set-down, on a tool changer
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-2026-000041998) never changes.
Identity and time
| Publication number | OT-2026-000041998 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d6f-7086-aea4-a6f3f251cf6d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:30.052779Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000041998 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5cdd0067042af45968c376fed5036a2effda718d18ff192ba9b5881878df6d83 |
|---|---|
| Markdown | 7540abb12160258f65f00607dff838ccfb0cf336f8b42b6788c20122dd5637cd |
| Publication page | 53016b667a5e28ee7a850bdaf227a2db6ffcbfe48738a71333b33e54c3494348 |
| Manifest | de82d8c485b560cfabe730f870e3411af2f67f4c011835884de1e79bdcd89f10 |
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 | R50hWhNnQjrJId6hKGUYqsLG0dyIVkYWZ0d0+4xjo9gIkLzwptIxJ6KlpSeUY5EmOdZt0qOfn05r9LcgrjDFAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:15:29.744162Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041998observed 53016b667a5e28ee7a850bdaf227a2db...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:29.724185Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041998/manifest.jsonobserved de82d8c485b560cfabe730f870e3411a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:29.706261Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041998/publication.mdobserved 7540abb12160258f65f00607dff838cc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:29.688625Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041998/publication.txtobserved 5cdd0067042af45968c376fed5036a2e...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. |
|---|