OT-2026-000029640
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off 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-2026-000029640) never changes.
Identity and time
| Publication number | OT-2026-000029640 · never reused |
|---|---|
| Internal UUID | 01a0ae73-5e23-7027-840a-36f4f066db49 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:51.545382Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029640 |
| Status | PUBLIC |
Content hashes
| Canonical text | d5d1bcb09c01d998bfdb79da210c8cfe1d02093de55b95d4c7b52e6914861bb4 |
|---|---|
| Markdown | 335a4376835947d985033d49cb96ec418f80a2d1a25835778d5e20ff30d95c08 |
| Publication page | 4bca2af89001bed4d6cb24bfe6032a4915841484f52a83afb551a117c5c2fc61 |
| Manifest | d9dce70fd7c1de70014a8cfe9ad644fa8bbd3b86aaf96f07889d23ec73575508 |
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 | Ctae2GvUJ//fy1WHGjcDcvkVqIZelt0xEXpfGdWAdk3FpsIXgjjMLGnNRc/byz77BLIyiXz4HqhgFEgzLlMUCg== |
| 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
| 2026-09-18T00:42:56.769627Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029640observed 4bca2af89001bed4d6cb24bfe6032a49...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-18T00:42:56.604356Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029640/manifest.jsonobserved d9dce70fd7c1de70014a8cfe9ad644fa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T00:42:56.185770Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029640/publication.mdobserved 335a4376835947d985033d49cb96ec41...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-18T00:42:55.871914Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029640/publication.txtobserved d5d1bcb09c01d998bfdb79da210c8cfe...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:21.035635Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029640observed 4bca2af89001bed4d6cb24bfe6032a49...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:21.018160Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029640/manifest.jsonobserved d9dce70fd7c1de70014a8cfe9ad644fa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:21.000652Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029640/publication.mdobserved 335a4376835947d985033d49cb96ec41...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:20.981150Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029640/publication.txtobserved d5d1bcb09c01d998bfdb79da210c8cfe...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. |
|---|