OT-2026-000020464
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, three 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-2026-000020464) never changes.
Identity and time
| Publication number | OT-2026-000020464 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-7ea2-822b-3f8d9b99e152 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020464 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1cbeaa25c0d1ee598809a87a654185df0e019225c084f0f1311483384b933845 |
|---|---|
| Markdown | 3a8bcb7fa3c5409503eada802f7329080c6860b6d52cf8f11a19346566312578 |
| Publication page | 123be96bf690664444c8dc24aa750b59bb0321fe11a89f834b01a541e3abf21d |
| Manifest | a8bf8daa1391830da771c7a167163de4e47e2f67a40faa843c02673a3478acc6 |
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 | auXTZAFGpKT1uhDyqlwpZgY4TPk7PGM4prJoE+u5xGU931eOs4Dw3uagDQ0MzjD82j0Y4Zh8cnx5xt39Z+OKDQ== |
| 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
| 2026-09-17T12:00:23.882864Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020464observed 123be96bf690664444c8dc24aa750b59...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:23.865204Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020464/manifest.jsonobserved a8bf8daa1391830da771c7a167163de4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:23.845825Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020464/publication.mdobserved 3a8bcb7fa3c5409503eada802f732908...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:23.826055Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020464/publication.txtobserved 1cbeaa25c0d1ee598809a87a654185df...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:27.539966Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020464observed 123be96bf690664444c8dc24aa750b59...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:27.521646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020464/manifest.jsonobserved a8bf8daa1391830da771c7a167163de4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:27.503201Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020464/publication.mdobserved 3a8bcb7fa3c5409503eada802f732908...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:27.484028Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020464/publication.txtobserved 1cbeaa25c0d1ee598809a87a654185df...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. |
|---|