OT-2026-000021636
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000021636) never changes.
Identity and time
| Publication number | OT-2026-000021636 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7f61-8f6e-c5497626202d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021636 |
| Status | PUBLIC |
Content hashes
| Canonical text | c4948ae0cee7a2692726d5eb60de85f41771c1e33a167004e0c29372b9a0fa89 |
|---|---|
| Markdown | e79b119aecc99d74681f4e7e28f5fee52cf307e45c486fcf61236b622eaeca5f |
| Publication page | 8bdf0c6b5c01441ee637edf19b670a11d4e7ac1ccfbdf2224736149d95cd8e03 |
| Manifest | 6f1a6147d1a5cccce6b719cff4f4ad8e25cdd9bd7548f194f3d50be22ea7b870 |
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 | e3ju413MK53IE/BG/uVwT60C7kj9XX13HPsim7ZaxPt8dJChnb8t+/weGPjNltzzKY/DksPFGTlJDsL8It/BDA== |
| 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
| 2026-09-17T11:54:10.345856Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021636observed 8bdf0c6b5c01441ee637edf19b670a11...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:10.330144Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021636/manifest.jsonobserved 6f1a6147d1a5cccce6b719cff4f4ad8e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:10.313654Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021636/publication.mdobserved e79b119aecc99d74681f4e7e28f5fee5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:10.298053Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021636/publication.txtobserved c4948ae0cee7a2692726d5eb60de85f4...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. |
|---|