OT-2026-000008581
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold 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-2026-000008581) never changes.
Identity and time
| Publication number | OT-2026-000008581 · never reused |
|---|---|
| Internal UUID | 01a0ae6a-e46b-7dd8-bb93-777b867c4f40 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:10:36.030441Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000008581 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8f315dfcc98ba9ea68c35d6e5457c3b6133901882132237d31755122ae0dd51b |
|---|---|
| Markdown | 35fa33c5c136061fbd5cc3325ed9f62d912d7981926828e69c809951e4c01b04 |
| Publication page | e0a66f3dbcfc16ceb74516a2e91adeb365cc6b45ac7c2c4263bbb4938fd3b93d |
| Manifest | 6068911c90d9b26df2c5e937a5de8289b15dd07b7db65278a62314d99d321aa9 |
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 | xiW9rUPhrqBSlBJ3WjSXSEYwd2VqDRiFzFWsphiDoqMWZCWjUU7ypSm4iVU7FtMIbW1zfOUrKU06EnxEWCxcBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:27:08Z batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof root 20fdfaa98ae3657e4211fd7783095876... |
|---|
Independent retrieval
| 2026-09-17T12:18:31.726578Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008581observed e0a66f3dbcfc16ceb74516a2e91adeb3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:18:31.707326Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008581/manifest.jsonobserved 6068911c90d9b26df2c5e937a5de8289...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:18:31.685868Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008581/publication.mdobserved 35fa33c5c136061fbd5cc3325ed9f62d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:18:31.666738Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008581/publication.txtobserved 8f315dfcc98ba9ea68c35d6e5457c3b6...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. |
|---|