OT-2026-000020791
Publication integrity record
Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, pulsed 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-2026-000020791) never changes.
Identity and time
| Publication number | OT-2026-000020791 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e3-7bcb-92c4-0d0b25273dea · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020791 |
| Status | PUBLIC |
Content hashes
| Canonical text | f18d3ee970fd3acaefb90d7c5f911019a570703be04d98ecc15c340c3fed8f01 |
|---|---|
| Markdown | 22646353e3f2458211d092e46b2968b0e2121ec2e2d2b84c361372ca23f4d579 |
| Publication page | 3e6d004744530ffa6e745d55ab7352cd7d86b08b6830716272eda0cd5639ae6e |
| Manifest | cb551ed034c9d7d5e51d21c2217265602e6833a93e9a7c0af51356812d2f0cf2 |
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 | AZyKAVITnC6ByWXWzWSzPk2uGD/6VVqDYEhBMmbOdK7Ks+9WATIeBf9IAAAPay8JmRTx7/Tt+T0J45wdyMg9DA== |
| 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
| 2026-09-17T11:55:52.362774Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020791observed 3e6d004744530ffa6e745d55ab7352cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:52.343577Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020791/manifest.jsonobserved cb551ed034c9d7d5e51d21c221726560...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:52.325911Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020791/publication.mdobserved 22646353e3f2458211d092e46b2968b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:52.307564Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020791/publication.txtobserved f18d3ee970fd3acaefb90d7c5f911019...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. |
|---|