OT-2026-000069938
Publication integrity record
Single bellows cup vacuum gripper, pump fed, vented before 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-2026-000069938) never changes.
Identity and time
| Publication number | OT-2026-000069938 · never reused |
|---|---|
| Internal UUID | 01a0ae91-1860-7a13-aa4f-b5b5bab49de9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:52:19.726120Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000069938 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8f0c9a2c21e3323851a83c6c744afd57544fbab876e823d1a0176c05bbd9fd53 |
|---|---|
| Markdown | 85f4297bf2cdf69dcb88f6fbc4990622e639e8eb7519b4fd26d38cfe8cc8cc25 |
| Publication page | 6f3ac466bdf8cc15e89db4d373db405941e3f68ccdcf6e749ed817fa8819acf4 |
| Manifest | d5b4424f9ea35578f3386d94dd9f672153541e8fa17013e6db517de203d5b44d |
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 | e1jVEp6IdyHFFZST73aoeYAgxkdVmNGQbcVbHof9X8H/GZsQS4rdXViYrTIdPNB3zXYG6Gn5Xg8kIJPkuVGvAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:26:52.600382Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069938observed 6f3ac466bdf8cc15e89db4d373db4059...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:26:52.583773Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069938/manifest.jsonobserved d5b4424f9ea35578f3386d94dd9f6721...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:26:52.567382Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069938/publication.mdobserved 85f4297bf2cdf69dcb88f6fbc4990622...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:26:52.550894Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069938/publication.txtobserved 8f0c9a2c21e3323851a83c6c744afd57...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. |
|---|