OT-2026-000033253
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump fed, pulsed blow-off after 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-2026-000033253) never changes.
Identity and time
| Publication number | OT-2026-000033253 · never reused |
|---|---|
| Internal UUID | 01a0ae75-4845-73c6-a339-6ca7e4e8eb76 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:57.065765Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000033253 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8fc882f0d0b3034308da3dbbdb5cc23025798c0d837200d94441bc8cdcaf52ca |
|---|---|
| Markdown | c86e21b8a7ece77930585630fc2a3578b0a5e263171f091c0f0d255242ce274b |
| Publication page | e9d6befaa317924d5ebbc59ffea7296655bb62dfcd45e365c8024a4d1f84a5fc |
| Manifest | 000ca227118717838d3e114678a303a3f2c3462595fcf0ec89a423b5da4ef6d0 |
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 | sdP41e6pGnt9Oy00VP67pSYToRHcn2JKuuzdRVL5/X7A7LLGlaOtpzbS11fRvPWjAk9uJ+66Mq652xfMT/j9CQ== |
| 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
| 2026-09-17T11:32:57.894526Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033253observed e9d6befaa317924d5ebbc59ffea72966...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:32:57.877465Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033253/manifest.jsonobserved 000ca227118717838d3e114678a303a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:32:57.861360Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033253/publication.mdobserved c86e21b8a7ece77930585630fc2a3578...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:32:57.842979Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033253/publication.txtobserved 8fc882f0d0b3034308da3dbbdb5cc230...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. |
|---|