OT-2026-000021506
Publication integrity record
Foam pad vacuum gripper, common isolation valve, single stage ejector, 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-2026-000021506) never changes.
Identity and time
| Publication number | OT-2026-000021506 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-740f-a780-48cabd1619ef · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021506 |
| Status | PUBLIC |
Content hashes
| Canonical text | fff26b3bb09bf8b6fc1ac97acc01f0770be00d15b5cbee669477fc5615892bd9 |
|---|---|
| Markdown | 6450b661433d4448f2bd61e077aaf2c347a6df9f9fd9fc9814d6aae03e15af42 |
| Publication page | 407cef0216a357902dcc6651b90c1a39030aae53e72acb7bfbccb7c109244b6d |
| Manifest | 238fb119d0b00e4df2ffc2fee28827db91439a7bf9d1c5fd2620727ca3616cc2 |
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 | qzVrKEb2XcvoukNvyXEMn7jfziPSiEtdpX/Z0k9eY5NLyG9C7tkftTiBz8+J1K2JfIhTjQuBRx/eeGFaKTbdDA== |
| 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
| 2026-09-17T11:55:25.316764Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021506observed 407cef0216a357902dcc6651b90c1a39...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:25.299108Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021506/manifest.jsonobserved 238fb119d0b00e4df2ffc2fee28827db...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:25.280663Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021506/publication.mdobserved 6450b661433d4448f2bd61e077aaf2c3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:25.263829Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021506/publication.txtobserved fff26b3bb09bf8b6fc1ac97acc01f077...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. |
|---|