OT-2026-000078271
Publication integrity record
Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000078271) never changes.
Identity and time
| Publication number | OT-2026-000078271 · never reused |
|---|---|
| Internal UUID | 01a0ae95-7c27-7760-a3e9-7960d907daea · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:07.483031Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078271 |
| Status | PUBLIC |
Content hashes
| Canonical text | 50eec51fe79e028435871fb43e019756e88300d0ac4ded913366c6456af82759 |
|---|---|
| Markdown | 4c536426f880f5a302b56250c86dd6b80a60a809a90239c4ba92575de70b63ef |
| Publication page | 27f33b51fb5fda87dce33418ecd8261701b98dd58fdefa5ce0f088ccb10b8d58 |
| Manifest | cb0be5e74d13d2f5eb632c028687c53b1b7d52b70af65099975b61260d8aba1e |
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 | 3BW3Ud6VFHQdH0/YYLM9k3eu+9OZFcXGxVMc8SIOxyxa6hel9TEdbt2oyEhnw5tzLM3XbzM8KqJSdCPJdS37BA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:06:13.917964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078271observed 27f33b51fb5fda87dce33418ecd82617...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:06:13.900090Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078271/manifest.jsonobserved cb0be5e74d13d2f5eb632c028687c53b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:06:13.882667Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078271/publication.mdobserved 4c536426f880f5a302b56250c86dd6b8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:06:13.863326Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078271/publication.txtobserved 50eec51fe79e028435871fb43e019756...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. |
|---|