OT-2026-000026988
Publication integrity record
Single bellows cup vacuum gripper, 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-2026-000026988) never changes.
Identity and time
| Publication number | OT-2026-000026988 · never reused |
|---|---|
| Internal UUID | 01a0ae72-3453-79a7-b06b-a7ce17e8c7e2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:35.358864Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000026988 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4cbb8fcaf38dd6275b4496e11d8670a7fff0751e2e9dc3b2c2993e5eae7a27ba |
|---|---|
| Markdown | 4c9263a84884c8d5f6dc7713b58d47f3bb5f5e060757e80787a990b97d1e3a0b |
| Publication page | ad52c0fb623d83e7f0e6016fb881554e579265bc06e6f2655881c2b4f16a999d |
| Manifest | 4f256908303d4692ae7ea68badff879b8e1ef8efb3ebb3c2d86df315cbc619fe |
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 | K9GiRFjvMqriBS7fivpw1lGzxE6S8VJwv9yraPVyXoB2TbssiMtYc8Tun8FwtY5fAa6YaIIdeQmFMCKgVKQ6BQ== |
| 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
| 2026-09-17T11:43:36.938596Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026988observed ad52c0fb623d83e7f0e6016fb881554e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:43:36.921809Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026988/manifest.jsonobserved 4f256908303d4692ae7ea68badff879b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:43:36.905657Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026988/publication.mdobserved 4c9263a84884c8d5f6dc7713b58d47f3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:43:36.886135Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026988/publication.txtobserved 4cbb8fcaf38dd6275b4496e11d8670a7...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. |
|---|